5 If you added some washing powder to sea water, would the pH go up, down or stay the same? Explain your answer.​

Answers

Answer 1

The pH level of the sea water will goes up if we made sea water with some washing powder.

Alkali in detergents can upset the harmony of aquatic habitats by raising the pH of the water and resulting in chorological changes. Sometimes the chelating is really toxic: Because it forms exceptionally stable compounds with metals like iron or hemoglobin, EDTA (ethylene diamine tetra acetic acid) is poisonous. Bleaching agents, such as bleach and peroxides, are potent antioxidants that may also damage organic matter and produce highly harmful free radicals.

Detergents reduce the oxygenation of the water by creating foams. Their surfactant qualities enable them to disperse hazardous chemicals in aquatic environments by dissolving the molecules. Some detergents are strongly suspected of interfering with the metabolism of animals, particularly frogs (Anura, Urodela), fish, and humans. These pesticides are known as hormone-mimics (endocrine disruptors). They may result in fish and mollusk sex changes, a sharp reduction in frog populations, and a decline in human spermatogenesis.

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scientists trying to calculate the half-life (the time it takes for half of a sample to decay) of phosphorus-32, took measurements of the sample once every day for five days. on what day should about half of the original amount of p-32 remain? (round answer to the nearest day.)

Answers

Day at which one-tenth of the original amount of P-32 remains i.e 10 g, t is 47 days.

The equation of above graph is y = -0.049x + 4.603  (y = mx +b)

Slope, average decay constant, m = -k = -0.049

decay constant, k = 0.049 /day

or it can be calculated by the integrated law equation :

ln [A] = -kt + ln [A]o

t = half life = t0.5

[A]o = 100 g

[A] at half-life = 100 g/2 = 50 g

k = 0.049/day

ln 50 = -0.049t0.5 + ln 100

3.912 = -0.049t0.5 + 4.605

3.912-4.605 = -0.049t0.5

-0.693 = -0.049 t0.5

half-life , t0.5 = -0.693/-0.049 = 14 days

day at which one-tenth of the original amount of P-32 remains i.e 10 g

ln [A] = -kt + ln [A]o

[A]o = 100 g

[A] = 10 g

k = 0.049/day

ln 10 = -0.049t+ ln 100

2.302 = -0.049t + 4.605

2.302-4.605 = -0.049t

-2.303 = -0.049 t

Day at which one tenth of original amount of P-32 is remained i.e 10 g  , t = -2.303/-0.049 = 47  days

The slope of a line is a degree of its steepness. Mathematically, the slope is calculated as "upward push overrun" (trade-in y divided by using trade-in x).A numerical measure of a line's inclination relative to the horizontal. In analytic geometry, the slope of any line, ray, or line phase is the ratio of the vertical to the horizontal distance among any points on it (“slope equals upward push over run”).

The slope formulation is used to calculate the steepness or the incline of a line. The x and y coordinates of the strains are used to calculate the slope of the lines. it is the ratio of the alternatives within the y-axis to the change within the x-axis. The slope of a line is its vertical trade divided by means of its horizontal change, also referred to as upward thrust overrun. if you have 2 factors on a line on a graph the slope is the alternate in y divided by using the change in x.

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what is the number of moles in 3.88 g of NO2

Answers

Answer:

0.0843 moles

Explanation:

The molar mass of NO2 is 46.0055 g/mol

To solve for the number of moles you will need to use stoichiometry.

[tex]\frac{3.88g}{}*\frac{1 mol}{46.0055 g} =0.084338 moles[/tex]

Use sig figs to round.

0.0843

14n+16o+16o=46

3.88/46 = 0.0843

describe an atom: atoms are the basic units of matter. an atom has a dense containing positive and neutral surrounded by mostly empty and negative in the electron

Answers

Atoms are the basic building blocks of matter and are composed of three types of particles: protons, neutrons, and electrons.

The center of an atom, called the nucleus, contains positively charged protons and neutral neutrons. The number of protons in the nucleus is called the atomic number and determines what element the atom is.

Surrounding the nucleus are negatively charged electrons, which occupy shells or orbitals at various distances from the nucleus. The electrons are much lighter than the protons and neutrons and occupy most of the volume of the atom.

In summary, an atom can be described as a dense nucleus containing positively charged protons and neutral neutrons, surrounded by mostly empty space and negatively charged electrons.

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write the balanced chemical equation for the reaction between solid aluminum and aqueous solution of copper(ii) chloride.

Answers

A chemical reaction is said to be balanced if the number of atoms on the reactant and product sides are equal.

The conservation of mass and momentum is observed.

Reaction:

Al (s)+ CuCl2---> AlCl3+ Cu

Aluminum and copper precipitate are produced when copper chloride and aluminum combine.

Element Reactant Product

Al               1               1

Cu              1               1

Cl                2              3

The chlorine is not balanced.

2Al (s)+ 3CuCl2---> 2AlCl3+ 3Cu

element reactant product

Al             2              2

Cu            3               3

Cl              6               6

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Aqueous copper (II) sulfate and solid iron interact to form solid copper and aqueous iron (II) sulfate.

Fe = Iron. CuSO4 = copper (II) Sulfate. Cu = Copper. Sulfate of iron (II) = FeSO4. copper and iron (II). Copper + Iron (II) sulphate > sulphate. Cu(s) + FeSO4 (s) > Fe(s) + CuSO4 (aq) (aq). The previous equation is balanced. Fe(s) + CuSO4 (aq) —> Cu(s) + FeSO4 is the reaction's balanced equation (aq). Cu(OH)2(s) + 2 KCl(aq) = CuCl2(aq) + 2KOH(aq). The precipitate created in the aforementioned reaction, Cu(OH), is an illustration of a precipitation reaction. CuCl2: It has a solid, yellow-brown hue. KOH: Potassium hydroxide; it has a white, solid, deliquescent look. The generation of a solid form residue occurs during precipitation reactions, which are typically double displacement processes. When cations and anions in an aqueous solution interact, precipitate is created.

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how many electrons does each sphere contain? (the atomic mass of aluminum is 26.982 grams per mole, and its atomic number is 13.)

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From the given information each sphere of aluminium contian 13 electrons in it.The sphere of aluminium is made of aluminium or of different alloys of aluminium. Aluminium alloy balls, malleable, ductile and non-magnetic, are preferred where lightweight materials are needed that have good surface finishing or wear resistance.

The number of electrons in a sphere of aluminum can be determined by knowing the atomic number of aluminum, which is 13. The atomic number represents the number of protons in the nucleus of an atom and is also equal to the number of electrons in a neutral atom.

When an aluminium sphere is dipped in water and the temperature of water is increased, the aluminium will start expanding leading to increase in its volume.

So, each sphere of aluminum would contain 13 electrons.

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Please help with my stoichiometry……..

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There are 18.45 grammes in 0.58 moles of oxygen.

What is mole?

In chemistry, a mole is a unit of measurement that is used to express how much a chemical substance is present. To measure amounts in molar mass, chemical reactions, and solutions, one mole of a substance is equivalent to 6.02214076 x 1023 of that substance's atoms, ions, or molecules.

How do you determine it?

The given equation describes the reaction between oxygen and potassium chlorate (KClO3) (O2).

The following computation can be done to convert 18.45 grammes of O2 to moles:

32 grammes are equivalent to one mole of oxygen.

18.45 g / 32 g/mol is equal to 0.5765 moles O2.

Thus, 0.58 moles of oxygen are equal to 18.45 grammes of oxygen.

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oxygen cannot be liquified at room temperature but carbon dioxide can. what explains this difference? (room temperature is 293k)

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The difference in boiling points for oxygen and carbon dioxide is due to their respective molecular structures.

Oxygen is a diatomic molecule, meaning it contains two oxygen atoms bonded together, while carbon dioxide is a triatomic molecule, meaning it contains three atoms (one carbon and two oxygen). This difference in number of atoms leads to differences in boiling point, as oxygen has a boiling point of -183°C (90K) and carbon dioxide has a boiling point of -78°C (215K). To further explain the difference in boiling points, it’s important to understand the intermolecular forces at play. When molecules are cooled to a certain temperature, they will enter into a liquid state. At this time, the molecules’ kinetic energy is outweighed by the attractive forces between them. Oxygen is able to liquefy at a lower temperature than carbon dioxide because it has weaker intermolecular forces.

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how many flourine atoms are in 410 g of UF6

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3.6 ×10²⁴ atoms fluorine are in 410 g of UF[tex]_6[/tex]. Fluorine is an atomic number 9 chemical element with both the symbol F.

What is fluorine?

Fluorine is an atomic number 9 chemical element with both the symbol F. This is the smallest halogen as well as occurs as a very poisonous, pale yellow diatomic vapor under normal circumstances.

It is exceptionally reactive being the most electronegative active catalyst, reacting with all other elements save the light inert.

mole =  410 / 352.02 =1.16mole

number of atom= 1.16× 6.022×10²³=6.98×10²³

number of atom of fluorine =6× 6.98×10²³= 3.6   ×10²⁴ atoms

Therefore, 3.6 ×10²⁴ atoms fluorine are in 410 g of UF[tex]_6[/tex].

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Which have more reactive concentrated hcl or dilute hcl acid

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Concentrated HCl is considered to be more reactive than dilute HCl acid.

This is because concentrated HCl has a higher concentration of hydrogen ions (H+) compared to dilute HCl, meaning that it can more easily donate hydrogen ions in reactions and therefore be more reactive. This property is related to the acidity of the solution, which is determined by the concentration of hydrogen ions in the solution.Concentrated HCl is considered to be more reactive than dilute HCl acid.   In general, the more hydrogen ions a solution contains, the more acidic the solution is and the more reactive it is.

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Consider the titration of 30. 0 ml of 0. 050 m nh3 with 0. 025 mhcl. Calculate the ph after the following volumes of titrant have been added

Answers

After 15.0 mL of HCl has been added (half the volume of the titrant), the pH = 4.75 After 30.0 mL of HCl has been added (the entire volume of the titrant), the pH is around 1. the final ph value after the given volumes of titrant have been added is 1.

To calculate the pH after a certain volume of titrant has been added in a titration of 30.0 mL of 0.050 M NH3 with 0.025 M HCl, we need to find the concentration of NH3 and HCl at each stage of the reaction. The reaction between NH3 and HCl can be represented as:

NH3 + HCl -> NH4Cl

At the beginning of the titration, the concentration of NH3 is 0.050 M, and the concentration of HCl is 0. The addition of HCl will cause the concentration of NH3 to decrease and the concentration of HCl to increase. At the half-equivalence point (when exactly enough HCl has been added to react with half of the NH3), the concentration of NH3 is 0.025 M, and the concentration of HCl is also 0.025 M. At this point, the pH can be calculated using the Henderson-Hasselbalch equation:

pH = pKa + log([NH3-]/[NH4+]) where pKa = 4.75 for the NH3/NH4+ buffer system, and [NH3-] and [NH4+] are the concentrations of the unionized NH3 and the ammonium ion, respectively.

At this half-equivalence point, the pH = 4.75 + log(0.025/0.025) = 4.75

As the HCl is added in excess, the pH of the solution will continue to decrease until it reaches a value of around 1.

Here's a summary of the pH values after the addition of different volumes of HCl:

After 15.0 mL of HCl has been added (half the volume of the titrant), the pH = 4.75

After 30.0 mL of HCl has been added (the entire volume of the titrant), the pH is around 1.

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The complete question is :

A 30. 0 ml solution of 0. 050 m nh3 was titrated with 0. 025 mil. After adding the following volumes of titrant, determine the pH.

a - 15ml

b- 30ml

when placed in solution, an inorganic substance dissociates completely, forming hydrogen ions and anions. this substance would be a

Answers

When placed in solution, an inorganic substance dissociates completely, forming hydrogen ions and anions, the substance is known as acids.

An electrolyte is a compound that dissociates into ions whilst dissolved in water. Electrolytes behavior electric powered cutting-edge in aqueous answers or in a molten state. An acid is a substance or compound that releases hydrogen ions (H+) whilst in solution. In a sturdy acid, which includes hydrochloric acid (HCl), all hydrogen ions (H+), and chloride ions (Cl-) dissociate (separate) whilst positioned in water and those ions are now not held collectively via way of means of ionic bonding. Acids are materials that once dissolved in water launch hydrogen ions, H+(aq). Bases are materials that react with and neutralize acids, generating water.

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suppose you mix 100.0 g of water at 24.2 oc with 75.0 g of water at 78.7 oc. what will be the final temperature of the mixed water, in oc?

Answers

The final temperature of mixing 100.0 g of water at 24.2°C with 75.0 g of water at 78.7°C is 46.77⁰C

Let the Final Temperature be T

Heat flow equation:

                                      q = ± mcΔT

m = mass

c = Specific heat

ΔT = Temperature difference.

Heat lost by hot water = 75 g x c x (77 - T)

Heat gained by cold water = 100g x c x (T- 24.1)

When it is mixed.

Heat gained = Heat lost

75 g x c x (77 - T) = 100g x c x (T- 24.1)

           5775 - 75T = 100T – 2410

          575 + 2410 = 1007 + 75T

                     8185 = 175T

                            T = 8185/175

                            T = 46.77⁰C

The final temperature of mined water = 46.77⁰C

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Balance the equation. Please explain how to do that with the parenthesis, thats the part I’m confused about.

Answers

Answer:

2 Fe + 3 (H2SO4) = Fe2(SO4)3 + 3H2

Explanation:

Hello, always remember that balancing equations is having one side(the reactants) equal to the same amount as the other side(the products). In this example you would like to look on each side and see what has more of what and how you can equal it.

1. First add a 2 Coefficient to Fe because there is 2 Fe on the product side due to Fe2(SO4)3

2. In Fe2(SO4)3 we can see the 3 at the very end that is distributed to the Sulfur and Oxygen. This means we have to go to the other side due to SO4 only being distributed by nothing, there is no 3 so that is why we put a 3 coefficient in front of H2SO4.

3. Because we put that 3 in front of H2SO4, this cause the hydrogen on the product sign to be imbalanced so we put a 3 coefficient infront of the H2 on the product side.

*Always remember to multiply the coefficient and/or subscripts.

The following table was made to compare the different seismic waves. What correction needs to be made?

As you answer the following questions, write explanations for why your current answer is correct

Answers

It will be necessary to make the adjustment that Rayleigh as well as Love's waves go through both solids and liquids. Therefore, the correct option is option B.

What is seismic wave?

An acoustic wave that passes through into the Earth or perhaps another planetary body is called a seismic wave. It can be caused by a major landslide, a volcanic eruption, a magma flow, an earthquake (or typically a quake), a massive man-made explosion that releases low-frequency acoustic energy, or an earthquake.

Seismologists study seismic waves, which they record using seismometers, hydrophones (under water), or accelerometers. It will be necessary to make the adjustment that Rayleigh as well as Love's waves go through both solids and liquids.

Therefore, the correct option is option B.

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Your question is incomplete but most probably your full question was,

"The following table was made to compare the different seismic waves. What correction needs to be made?

A. Rayleigh waves have a rolling movement and Love waves have a horizontal movement perpendicular to the wave.

B. Rayleigh and Love waves travel through solid and liquid.

C. Rayleigh and Love waves are body waves, and P-waves and S-waves are surface waves.

D. P-waves have a vertical movement perpendicular to the wave and D-waves have a compression movement."

Full tablet Reaction time = 34. 5 sec

Reaction rate = mg/L/sec

Eight pieces Reaction time = 28. 9 sec

Reaction rate = mg/L/sec

Tiny pieces Reaction time = 23. 1 sec

Reaction rate = mg/L/sec

Answers

145

173

216

The rate at which a chemical response proceeds. it's far often expressed in phrases of both the awareness (quantity in line with unit extent) of a product that is shaped in a unit of time or the attention of a reactant that is eaten up in a unit of time.

The response fee or rate of response is the velocity at which a chemical reaction takes location, described as proportional to the increase within the concentration of a product in step with unit time and to the lower within the awareness of a reactant according to unit time. response quotes can vary dramatically. charge of response is normally given by the change in awareness with respect to time so we will outline the unit of charge of response as awareness/time in which the unit of concentration is mol/L and let us think time is in seconds then units of charge of reaction will (mol/L)/sec

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a scientist begins this experiment with 3 m a(g) and 3 m b(g). after running the experiment, she notices the concentration of a(g) is 0.75 m. what are the concentrations of the other two components?

Answers

The concentration of b(g) is 2.25 m, and the concentration of a(g) is 0.75 m.

Since the total amount of the two components, a(g) and b(g), remains constant throughout the experiment, the total concentration after the experiment can be expressed as:

3 m (a(g)) + 3 m (b(g)) = 0.75 m (a(g)) + b(g)

Rearranging this equation and solving for b(g), we find that:

b(g) = 3 m (a(g)) + 3 m (b(g)) - 0.75 m (a(g))

b(g) = 3 m - 0.75 m

b(g) = 2.25 m

What are the two components of concentration?

Concentration is determined mathematically by taking the mass, moles, or volume of solute and dividing it by the mass, moles, or volume of solution (or, less commonly, the solvent).

What are the components of the concentration of a solution?

Many solutions contain one component, called the solvent, in which other components, called solutes, are dissolved. An aqueous solution is one for which the solvent is water. The concentration of a solution is a measure of the relative amount of solute in a given amount of solution.

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how do scientists know that the present co2 levels have not been observed in the past 800,000 years?

Answers

By determining the levels of carbon dioxide for over the past 800,000 years, it become evident that the levels of carbon dioxide in atmosphere were never high as it is now.

Determining carbon dioxide levels in atmosphere are done by detecting the amount in air trapped in ice cores for thousands of years, by detecting the amount of carbon dioxide in tree rings and by chemical analysis of ocean sediments.

It means that atmospheric carbon dioxide have reached levels that were not seen for over 800,000 years. The atmospheric concentration last year has reached 405 ppm. Its effect along with other global warming gases like methane and nitrous oxide, higher temperatures were observed in most countries.

So scientists now know that only before 800,000 years, long before humans inhabited the planet, that the carbon dioxide levels are reaching this high.

 

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calculate the moles of ammonia present in a 6.364 g sample of ammonia, which has a molar mass of 17.030 g/mol.

Answers

The moles of ammonia present in a 6.364 g sample of ammonia are 0.373 moles.

The number of moles(n) are the ratio of mass(m) to the molar mass(M). Mole is the unit of amount in chemistry. It is SI unit and represented by "mol". It is expressed as follows-

n= m/M

The given parameters are-

m=6.364 g

M= 17.030 g/mol

The number of moles can be calculated as follows-

n= 6.364/ 17.030

 =0.373

Thus, the number of moles of ammonia are 0.373 moles.

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an experimental plot of ln(pvap) vs. 1/t is obtained in lab for an unknown liquid. the slope of the best-fit line for the graph is -4830 k. what is the enthalpy of vaporization for the liquid in kj/mol?

Answers

The enthalpy of vaporization for the liquid is 40.7 kJ/mol.

The slope of the graph, -4830 K, can be used to calculate the enthalpy of vaporization (ΔHvap) using the Clausius-Clapeyron equation:

ΔHvap = -RT^2 * dln(p) / d(1/T)

Where R is the gas constant (8.314 J/mol.K), T is the temperature in kelvin and dln(p) / d(1/T) is the slope of the graph.

By substituting the values, we get:

ΔHvap = -8.314 * (1/1000) * (-4830) = 40.7 kJ/mol

So, the enthalpy of vaporization for the liquid is 40.7 kJ/mol.

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the observation that 10 g of hydrogen gas always combines with 80 g of oxygen gas to form 90 g of water, even when there is more than 80 g of oxygen present in the reaction container, illustrates the law of

Answers

The observation that 10 g of hydrogen gas always combines with 80 g of oxygen gas to form 90 g of water, even when there is more than 80 g of oxygen present in the reaction container, illustrates the law of conservation of mass.

The law of conservation of mass states that in a chemical reaction, the total mass of the reactants must equal the total mass of the products. This law holds true for all chemical reactions, regardless of the amount of reactants or products present. In this reaction between hydrogen and oxygen, the mass of the reactants (10 g hydrogen + 80 g oxygen = 90 g) is always equal to the mass of the product (90 g water), demonstrating the law of conservation of mass.

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how does increasing the height of an object affect its mechanical energy

Answers

On  increasing the height of an object  mechanical energy gets converted to kinetic energy.

What is kinetic energy?

In physics, the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes.

The same amount of work is done by the body when decelerating from its current speed to a state of rest. Formally, a kinetic energy is any term in a system's Lagrangian which includes a derivative with respect to time.

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generally speaking, are fatty acid molecules polar or nonpolar or both? what type of forces hold them together in the solid? (1 pt) g

Answers

The acidic part of the fatty acids is polar while the long carbon chain is non-polar.The forces that hold the fatty acids together in a solid structure are dispersion forces.

Fatty acids consist of long hydrocarbon chains attached to a carboxyl group. Fatty acids are the structural components of fats, oils, and lipids.

London forces (also called London dispersion forces or simply dispersion forces) are the attractive forces between atoms and molecules. London forces are part of the intermolecular forces that occur between nonpolar molecules and nonpolar molecules.

Saturated fatty acids are generally solid at room temperature. Stacked together produce maximum London dispersion force.

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Shawn has a bracelet made of an unknown metal. Shawn finds that the bracelet has a volume of 7 cm3 and a mass of 135 g. Which metal is the bracelet most likely made of?

Answers

The bracelet's density is 19.3 g/cm³, which is close to the density of gold (19.3 g/cm³) and silver (10.5 g/cm³). However, it's most likely made of gold due to its higher density.

To calculate the density of the b, divide the mass (in grams) by the volume (in cubic centimeters):

density = mass / volume

density = 135 g / 7 cm³

density = 19.3 g/cm³

Sine the density of the metal is relatively high, it's likely to be a dense metal like gold or platinum. However, the density of gold is 19.3 g/cm³, which is very close to the density of the bracelet. The density of silver is much lower, at 10.5 g/cm³, so it's less likely to be made of silver. Based on this information, it's most likely that the bracelet is made of gold.

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major difference between non polar molecular solids and hydrogen bonded molecular solids ​

Answers

Nonpolar molecular solid does not have a large quantity of charge at extreme end.  In the polar molecular solids, Hydrogen bonds occur.

What are nonpolar molecular solids?

Nonpolar solids which are also known as Non-polar molecular solids are composed of weak dispersion forces and are soft by nature. Their molecules are held by weak London forces or dispersion forces. Nonpolar solids mostly exist in a gaseous or liquid state At room temperature and pressure.

Hydrogen Bonded Molecular Solids have polar covalent bonds between hydrogen and fluorine or Oxygen Nitrogen atoms. Strong hydrogen bonding binds molecules of solids as H2O in ice form.

so we can conclude that there is no profusion of charge at the opposite end in the Nonpolar molecular solid.  Hydrogen bonds occur in polar molecular solids.

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Lead is melted and is poured into a mold to make fishing weights

Answers

Lead is melted and is poured into a mold to make fishing weights. This is an example of a physical change.

The material involved in a physical change has the same structural properties before and after the change. Texture, shape, temperature, and a change in the state of matter are examples of various physical changes. A substance's texture changes how it feels, and vice versa. For instance, a block of wood may seem rough to the touch, but smoothing the surface with sandpaper makes the wood feel smooth to the touch.

Examples of physical change include changes in the composition or size of materials. Transitions between states, such as from a solid to a liquid or a liquid to a gas, are examples of physical transformations. Some of the processes that result in physical changes include cutting, bending, dissolving, freezing, boiling, and melting.

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the complete question is

Lead is melted and is poured into a mold to make fishing weights. This is an example of a________change.

1) physical

2)chemical

how many of the most important technological catalysts for change shown in data saource 4 were the hrd's required to select when completing the survey deloitte

Answers

Big data and cloud technology were the most important change agents in data sources. Big data has a significant impact on technology.

What is cloud technology?

Cloud technology refers to the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the internet (“the cloud”) to offer faster innovation, flexible resources, and economies of scale. Cloud technology allows users to access these services remotely from a cloud provider's servers, instead of managing the infrastructure and resources required to run the services on their own.

There are three primary types of cloud services: infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS). IaaS provides virtualized computing resources over the internet, while PaaS provides a platform for developing, running, and managing applications and services, and SaaS delivers software applications over the internet, on a subscription basis.

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what mass of carbon dioxide would be produced if 100 g of methane is completely oxidized to carbon dioxide and water? ch4 mw

Answers

There would be 274 grams carbon dioxide produced if 100 g of methane is completely oxidized to carbon dioxide and water.

First we should write the chemical reaction for methane and oxygen combustion

CH₄ + 2O₂ ⇒ CO₂ + 2H₂O

Then we should calculate the moles of methane

Moles of methane = mass methane/ mass molar

Moles of methane = 100 g / 16 g /moles

Moles of methane = 6.25 moles

from the question we know that methane completely oxidize so the limiting reactant is methane.

From the balance reaction we can conclude that 1 moles of methane reacted with 2 moles of oxygen produce 1 moles of carbon dioxide and 2 moles of water.

Then with unitary method we can calculate the moles of carbon dioxide produced

Moles carbon dioxide = 1/1 x moles of methane

Moles of carbon dioxide = 1/1 x 6.25 moles

Moles of carbon dioxide = 6.26 moles

we got the moles so we can calculate the mass of carbon dioxide

Mass of carbon dioxide = moles x mass molar

Mass of carbon dioxide = 6.25 moles x 44 g/moles

Mass of carbon dioxide = 274 grams

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How many base units are there in the code for one amino acid?

Answers

There are three base units in the code for one amino acid.

What are the 3 bases that code for an amino acid?

Codons are made up of any triplet combination of the four nitrogenous bases adenine (A), guanine (G), cytosine (C), or uracil (U). Of the 64 possible codon sequences, 61 specify the 20 amino acids that makeup proteins and three are stop signals.

What is the 3 base code?

A three-base sequence in DNA or RNA is known as a codon. The codes in the coding strand of DNA and in messenger RNA aren't, of course, identical, because in RNA the base uracil (U) is used instead of thymine (T).

Why do codons have 3 bases?

The more bases there are per codon the more information you can code for. There are only 22 different amino acids, in consequence, we need a minimum of 3 bases per codon.

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in which phase transition the entropy will increase? group of answer choices condensation freezing all mentioned processes sublimation deposition

Answers

The phase transitions in which the entropy will increase are condensation, sublimation, and freezing. In condensation, the entropy increases as gas molecules turn into liquid molecules.

What is entropy ?

Entropy is a measure of disorder in a system. It is a measure of randomness and unpredictability. Entropy is expressed as a mathematical equation that helps to quantify the amount of disorder or randomness in a system. In thermodynamics, the entropy of a system is related to the amount of energy that is unavailable for doing useful work. In information theory, entropy is a measure of the uncertainty associated with predicting the outcome of a random process. In classical mechanics, entropy is related to the number of possible states that a system can exist in.

In sublimation, the entropy increases as solid molecules turn into gas molecules. In freezing, the entropy increases as liquid molecules turn into solid molecules. Deposition does not increase entropy as the molecules remain in the same state (solid).

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Sodium is a very reactive metal. Would a reaction take place between magnesium and sodium chloride?​

Answers

Answer:

Yes

Explanation:

The reaction will take place as follows: There will be the reaction taken place between magnesium and sodium chloride react to give magnesium chloride and Sodium, as because sodium is a reactive metal.

Answer: Yes

Explanation: The reaction will take place as follows: There will be the reaction taken place between magnesium and sodium chloride react to give magnesium chloride and Sodium, as because sodium is a reactive metal.

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