In direct phosphorylation the substrate are ADP and GDP . It occurs through citric acid and glycolysis cycle.
Substrate-level phosphorylation is a metabolic process that involves the direct transfer of a phosphate group from a substrate to ADP or GDP, producing ATP or GTP as a byproduct. converting (with or without a phosphate group attached) a higher energy product into a lower energy product. The Gibbs free energy, which is a portion of the chemical energy released during this process, is used to transfer a phosphoryl (PO3) group from another phosphorylated substance to ADP or GDP. occurs throughout the citric acid cycle and glycolysis.
Substrate level phosphorylation refers to the direct transfer of a phosphate group from a substrate to ADP for the synthesis of high energy ATP. The enzyme kinases mostly catalyse this process. Without using an intermediary between the donor and ADP, a phosphate group donor directly donates or transfers a phosphate group to ADP. The first molecule transfers its phosphate group to the second molecule, which accepts it. Reaction coupling is the process of phosphorylating ADP at the substrate level using the energy released during the breakdown of the phosphate group.
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How much phosphorous is in plant food?
The exact amount of phosphorous in plant food depends on the specific product, as well as the intended use and type of plant it is formulated for.
Plant food typically contains varying amounts of phosphorous, one of the three primary macronutrients essential for plant growth and health along with nitrogen and potassium.
For example, standard all-purpose plant food will often have a balanced ratio of the three macronutrients, including around 10% phosphorous. However, specific plant food products may have higher or lower amounts of phosphorous, with some formulated for high-phosphorus crops like tomatoes or flowering plants.
It's important to note that too much phosphorous can lead to imbalanced soil nutrient levels, potentially inhibiting the uptake of other essential micronutrients like iron and zinc. Therefore, it's important to follow label instructions and not over-fertilize with high-phosphorus plant food.
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I have 7.83x10^-2 helium how many grams he do have?
Answer:
It depends on the missing unit.
Explanation:
What is meant by "7.83x10^-2 helium?" Helium atoms, kg, cm^3, ? Without the unit, the statement is meaningless. If the unit is kg, then:
(7.83x10^-2 kg helium)*(1,000g/1kg) = 78.3 grams He
How do you calculate atomic mass with percent abundance and isotopes?
To convert each percentage of abundance to a decimal, divide it by 100. Add the atomic mass of the isotope to this value. The atomic mass is obtained by averaging the atomic masses of each isotope.
Is the atomic mass calculated using percent abundance?To calculate the weighted average, we must take each isotope's % natural abundance into effect. The weighted mean of the atomic masses of an element's naturally occurring isotopes serves as the element's atomic mass.
What does an isotope's percentage abundance mean?The proportion of atoms with a particular atomic mass that can be found in a found naturally sample of an element is known as the relative abundance of an isotope.
How do isotopes work?Isotopes are atoms of the same element that have differing mass numbers but the same atomic number. Example: Protium (Z=1, A=1), Deuterium (Z=1, A=2), and Tritium (Z=1, A=3) are hydrogen isotopes.
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one way to analyze for the amount of phosphorus in a rock is to precipitate the phosphorus as mgnh4po4, which is then heated to tum it into mg2p2o7. what mass of mg2p2o7 will be obtained from a 2.087 g sample of a rock that contains 86.52% ca3(po4)2 (and no other source of phosphorus) if this analysis is done? hint: you will not be able to write an equation for this problem.
The mass of [tex]Mg_2P_2O_7[/tex] that will be obtained would be 0.22 grams
Stoichiometric problemThe equation of the reaction is as below:
[tex]2MgNH_4PO_4 -- > Mg_2P_2O_7 + 2NH_3 + H_2O[/tex]
The mole ratio of [tex]MgNH_4PO_4[/tex] and [tex]Mg_2P_2O_7[/tex] is 2:1.
2.087 g sample of [tex]MgNH_4PO_4[/tex] contains 86.52% Ca3(PO4)2.
The actual amount of [tex]MgNH_4PO_4[/tex] = 2.087 - (0.8652x2.087) = 0.2813 grams
Mole of 0.2813 grams [tex]MgNH_4PO_4[/tex] = 0.2813/137.315 = 0.002mol
Equivalent mole of [tex]Mg_2P_2O_7[/tex] produced = 0.002/2 = 0.001 mol
Mass of 0.001 mol [tex]Mg_2P_2O_7[/tex] = 0.001 x 222.55 = 0.22 grams
In other words, the mass of [tex]Mg_2P_2O_7[/tex] that will be obtained from a 2.087 g sample of a rock that contains 86.52% Ca3(PO4)2 would be 0.22 grams.
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Which of the following measurements are included in STP? (Check all that apply)
2.0 atmospheres
72˚ Fahrenheit
1 atmosphere
273 Kelvin
1.5 atmospheres
Answer:
Explanation:
1 atmosphere (standard pressure), 273.15 kelvin (standard temperature)
Using the periodic table explain how the position of the elements that make up sugar (the formula for sugar is C12H220g and Ethanol is C2H5OH) can be used to tell if the bonds are ionic or covalent
The electronegativity values of elements can be found on the periodic table and can be used to determine whether the bond is ionic or covalent.
The type of bond present in a molecule can be determined based on the electronegativity difference between the atoms that make up the bond. If the electronegativity difference between the atoms is large, then the bond is considered ionic. On the other hand, if the electronegativity difference is small, the bond is considered covalent. The electronegativity values of elements can be found on the periodic table.
For example, the elements present in sugar (C12H22O11) are carbon, hydrogen, and oxygen, with carbon having an electronegativity of 2.5, hydrogen of 2.2, and oxygen of 3.5. As the electronegativity difference between these elements is small, the bonds present in sugar are covalent. Similarly, in ethanol (C2H5OH), the electronegativity difference between carbon, hydrogen, and oxygen is also small, indicating covalent bonds.
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consider the reaction when aqueous solutions of barium hydroxide and cobalt(ii) bromide are combined. the net ionic equation for this reaction is:
CoBr2 (aq) + Ba(OH)2 (aq) = Co(OH)2 + BaBr2 (aq) (aq) The reaction between aqueous solutions of barium hydroxide and cobalt(II) bromide has the following net ionic equation:
A mathematical statement that establishes the equivalence of two expressions is known as an equation. To indicate the relationship between several parts, it makes use of mathematical symbols like the equal sign (=), integers, and variables. In areas like physics, engineering, and economics, equations may be utilised to solve issues and simulate actual circumstances. For instance, the linear equation y = mx + b, where m is the line's slope and b is its y-intercept, is a slope-intercept equation. Finding the answer to a problem can be aided by solving for x and y in an equation.
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which type the 3D clay sphere or the 2D cross-section diagram provides more advantages as a model
The 3D clay sphere provides more advantages as a model than 2D cross-section diagram. A diagram is a simple picture or representation.
What is diagram?In many facets of our everyday life, including work, education, personal projects, and much more, diagrams are typically employed. For any business, professional activity, or personal project, creating a clear and well-defined diagram is crucial to displaying a certain concept, idea, relationship, anatomy, statistical data, and any issue in an orderly manner.
A diagram is a simple picture or representation made out of lines and forms that serves to illustrate a certain concept, idea, information, or subject. The 3D clay sphere provides more advantages as a model than 2D cross-section diagram.
Therefore, the 3D clay sphere provides more advantages as a model.
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Calculate the average atomic ma for neon of it abundance in nature i 90. 5% neon-20,0. 3% neon-21, and 9. 2% neon-22
The average atomic mass for neon of it abundance in nature is 90. 5% neon-20,0. 3% neon-21, and 9. 2% neon-22 is 20.187 amu
Isotopes are members of the same element's family but have various numbers of neutrons and the same number of protons.
In this case, we calculate the average atomic mass of the specified element by taking into consideration the mass and abundance of each isotope. The average atomic mass can be calculated using the following equation:
Average atomic mass = (mass₁ x abundance)+( mass₂ x abundance)+( mass₃ x abundance)
Average atomic mass = (0.905 x 20) + (0.003 x 21) +( 0.092 x 22)
Average atomic mass = 20.187 amu
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What is the shorthand electron configuration of a potassium ion (K+)?
The shorthand electron configuration of a potassium ion (K+) is [Ar] 4s1.
Electron configuration refers to the arrangement of electrons in an atom or ion. In a neutral atom, the number of electrons is equal to the number of protons, resulting in a neutral charge. However, in an ion, the number of electrons is not equal to the number of protons, resulting in a charge.
The shorthand electron configuration uses symbols from the periodic table to represent the elements, with electron configurations being abbreviated by using the noble gas symbol (in square brackets) that precedes the element in question in the periodic table. In this case, the noble gas symbol [Ar] represents Argon, and the electron configuration of K+ is then given as [Ar] 4s1, indicating that the electron configuration of potassium has lost one electron from its 4s orbital, leaving a single electron in the 4s orbital and a positive charge on the ion.
In more detailed terms, the electron configuration of a neutral potassium atom would be [Ar] 4s1 3d10, where the [Ar] represents the electron configuration of Argon (the preceding noble gas in the periodic table), and the 4s1 and 3d10 indicate the number of electrons in the 4s and 3d orbitals, respectively. However, in the case of a potassium ion, one electron has been removed, resulting in a positive charge and the shorthand electron configuration of [Ar] 4s1.
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What themes are represented in part 2 of Fahrenheit 451?
1. Censorship: The government continues to censor books, literature, and other sources of knowledge and information in this part of the novel.
2. Rebellion: Throughout the novel, characters like Montag and Clarisse challenge the status quo and fight against the oppressive government.
3. Technology: Technology is used to control and manipulate the population, but is also a tool for progress and freedom.
4. Knowledge: The importance of knowledge and information is highlighted throughout the novel, as characters seek to learn more in order to resist the oppressive government.
What ia freedom?
Freedom is the ability to live life as one chooses, free from any constraints or interference from another person or entity. It is the right to think, speak, and act without interference or fear of retribution, and the right to make one's own choices.
Therefore,
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Why is Borons atomic number 5?
Answer:
boron atom has 5 protons and 5 electrons. Its average atomic mass is 10.81.
Boron's atomic number is 5 because it has 5 protons in its nucleus. The number of protons in an atom's nucleus is what determines the element's atomic number.
What is nucleus?
Nucleus is the central core of an atom, consisting of protons and neutrons. It is the heaviest and most important part of the atom, as it contains most of the atom's mass and positive charge. The number of protons in the nucleus determines the element, while the number of neutrons determines the isotope. The nucleus is held together by a strong nuclear force and can be found in the center of the atom. It is surrounded by a cloud of electrons that orbit it at a distance. The nucleus is the key to understanding how chemical reactions occur, as its composition is what determines the type of atom.
Therefore, Boron's atomic number is 5 because it has 5 protons in its nucleus.
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Town A experiences several days of cold temperatures and steady rain. Town B, which is twenty kilometers east of Town A, experiences rain and warm yemperatures during. The same time. What weather pattern explains these events?
The weather pattern that explains these events in Towns A and B is likely a temperature inversion.
This occurs when a layer of warm air is trapped above a layer of cold air, causing the warm air to stay close to the ground and the cold air to remain in the upper atmosphere. In this scenario, Town A would be experiencing the cold, rainy weather because it is located under the layer of cold air, while Town B would experience the warm, rainy weather because it is located above the layer of warm air. This type of weather pattern can last for several days and is caused by differences in air pressure and temperature.
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jose is studying atomic particle physics and wants to focus on particles that are found outside of the nucleus of an atom. which particles should he focus on? a. photons b. protons c. neutrons d. electrons
Jose should focus his study on Particles called Electrons present outside the nucleus of an atom. option (d)
Atom is defined as the smallest particle of matter and is composed of subatomic particles protons, Neutrons and Electrons. Protons have a positive charge and Neutrons have neutral charge; they are concentrated at the Nucleus. Electrons are electrically negative and spin around the Nucleus in specialized pathways called Orbits or shells.
The Atom is electrically neutral due to equal number of Protons and Electrons. Nucleus has a positive charge so negatively charged electrons are attracted to the positive core or Nucleus. The number of electrons in orbit is in increasing order of energy level. The orbits near the nucleus have less number of electrons and this is called the Principal Quantum Number.
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One mole of ____ contains the smallest number of atoms.
a) S8
b) C10H8
c) Al2(SO4)3
d) Na3PO4
e) NaCl
The smallest mole is one mole of sodium chloride. E is the right response.
What are the uses of NaCl?As an electrolyte replenished, sodium chloride is used to assist reduce heat cramps brought on by excessive perspiration.This drug is also used to make a standard isotonic sodium chloride solution.
Determine how many atoms there are in every mole of the specified elements as a first step.
For S₈
8 atoms of sulphur
∴Total atoms = 8 atoms
For NaCI
1 atom of Chlorine
1 atom of Sodium
∴ Total atoms = 2 atoms
For AI₂(S0₄)₃
2 atoms of Al
3 atoms of sulphur
12 atoms of oxygen
∴ Total = 17 atoms in one mole of AI₂(S0₄)₃
For C₁₀H₈
10 atoms of Carbon
8 atoms of hydrogen
Total atoms = 18 atoms
For Na₃PO₄
3 atoms of sodium
1 atom of P
4 atoms of Oxygen
Total atoms = 8 atoms
As a result, we may say that of the elements listed, 1 mole of NaCl has the fewest atoms.
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How many valence electrons does boron have? A.2 B.3 C.3 D.3
Option 3 is the correct answer .
What is electron ?
Electrons are subatomic particles that have a negative electric charge. They are located outside the atomic nucleus in the electron cloud, and they play a crucial role in chemical reactions and electrical conductivity. The study of electrons and their behavior is called electromagnetism, and it is a fundamental field of physics.
Electrons occupy different energy levels, or shells, around the nucleus and can move between these shells through a process called electron excitation. This movement of electrons is what gives atoms their chemical properties and allows them to bond with other atoms to form molecules.
In a conductor, electrons are free to move and carry an electric current. In an insulator, electrons are tightly bound to their atoms and do not move freely, so they cannot carry an electric current.
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How do you know which compound has the highest oxidation number?
The highest oxidation number in a compound can be determined by looking at the element with the greatest positive charge.
Oxidation number is a measure of the oxidation state of an element in a compound. It represents the charge that an element would have if the compound were completely ionic. The highest oxidation number in a compound indicates the element with the greatest positive charge.
To determine the highest oxidation number, one needs to consider the element's electron configuration and the electron-donating or electron-withdrawing properties of the surrounding atoms. Elements in compounds can have positive, negative, or zero oxidation numbers depending on the chemical species they form.
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Consider the reaction: SO2 + O3 → SO3 + O2. A rate study of this reaction was conducted at 298 K. The data that were obtained are shown in the table: [SO2), mol/L [O3), mol/L Initial Rate, mol/(L.) 0.25 0.40 0.118 0.25 0.20 0.118 0.75 0.20 1.062 a. What is the order with respect to: SO2? O3? (11 points) b. Write the rate law for this reaction. (11 points) c. Determine the value and units of the rate constant, k. (11 points)
From the data in the table, it can be seen that the rate of reaction is independent of the concentration of O3, meaning that the reaction order with respect to O3 is 0. The value of k is 0.472 mol/(L.s)-1
On the other hand, the rate of reaction is directly proportional to the concentration of SO2, meaning that the reaction order with respect to SO2 is 1.
b. Based on this information, the rate law for the reaction is:
rate = k[SO2].
c. To determine the value of the rate constant, we can use the rate data for one set of conditions. For example, when [SO2] = 0.25 mol/L and [O3] = 0.40 mol/L, the initial rate is 0.118 mol/(L.s). Plugging these values into the rate law, we get:
0.118 = k × 0.25.
Solving for k, we find that the value of k is 0.472 mol/(L.s)-1. The units of k are (L.s)-1.
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3) what is the molarity of a solution that was prepared by dissolving 14.2 g of nano3 (molar mass = 85.0 g/mol) in enough water to make 350 ml of solution?
The molarity of the solution that is prepared by dissolving 14.2 g of NaNO₃ in enough water to make 350 ml of solution is 0.477 M.
The mass of the NaNO₃ = 14.2 g
The molar mass of the NaNO₃ = 85 g/mol
The moles of the NaNO₃ = mass / molar mass
The moles of the NaNO₃ = 14.2 / 85
The moles of the NaNO₃ = 0.167 mol
The molarity expression is as:
The molarity = moles / volume
The molarity = 0.167 / 0.350
The molarity = 0.477 M
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Why is dissolving salt in water an endothermic process?
The reason dissolving salt in water an endothermic process is because it requires the absorption of heat from the environment. This happens because the bonds between the salt ions and the water molecules are disrupted, and energy is needed to overcome these bonds and allow the salt ions to dissolve in the water.
Any thermodynamic process with an increase in the enthalpy H (or internal energy U) of the system is referred to as an endothermic reaction in thermochemistry (from the Greek v (endon) "inside" and -(therm) "hot, warm"). A closed system often transfers heat into itself during such a process by absorbing thermal energy from its surroundings.
As a result, an endothermic reaction typically results in a rise in the system's temperature and a fall in the environment's. It could involve a chemical reaction, such when ammonium nitrate (NH4NO3) is dissolved in water (H2O), or a physical action, like when ice cubes melt.
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11. A chemist burns 346 liters of a fuel (C3H8) at a constant temperature and pressure. What
volume of carbon dioxide are made?
C3H8 (g) +5O2 (g) -> 3CO₂ (g) + 4H₂O (g)
The volume of carbon dioxide that is made when a chemist burns 346 liters of fuel (C₃H₈) at a constant temperature and pressure is 1038 Liters.
What is the mole ratio of the reaction of the combustion of the fuel?The mole ratio of the reaction of the combustion of the fuel is obtained from the equation of the reaction as follows:
C₃H₈ (g) + 5 O₂ (g) ----> 3 CO₂ (g) + 4H₂O (g)
The mole ratio of the fuel and the carbon dioxide produced is 1 : 3
Molar volume of a gas = 22.4 L
Moles of the fuel, C₃H₈, used = 346/22.4 moles
The volume of carbon dioxide produced = 346/22.4 moles * 3 * 22.4
The volume of carbon dioxide produced = 1038 Liters.
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Copper can have improved wear resistance if alloyed with ceramic alumina, Al2O3. If a copper alloy has 9. 9 wt % Al2O3, what is its composition in mol %
Zn, Sn, Si, Al, and Ni serve as the primary alloying elements in copper alloys, which are alloys based on copper. Brasses (Cu-Zn) and bronzes (Cu-Sn), two copper-based alloys, are widely used in a variety of industrial and societal purposes.
What is the role of copper alloy in ceramic alumina?Unless they have already claimed it, this person is not registered with ResearchGate. The normal copper content of aluminum-copper alloys ranges from 9 to 12%, with lesser additions of other components.
The copper significantly boosts strength and speeds up precipitation hardening. Aluminium's ductility and corrosion resistance may be affected by copper.
Therefore, It provides a weight percentage of the elements found in the produced oxides. Convert this weight percentage to a mole percentage to confirm the ratio in which the initial precursors were used to create the sample.
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(30 POINTS)
Modeling the Greenhouse Effect
In this activity, you will model the greenhouse effect by graphing air temperature over time.
You will need these materials:
2 empty two-liter plastic bottles (or 2 clear plastic containers, similar in size), rinsed
2 thermometers (not mercury) that will each fit inside a bottle
a lamp with a 150-watt incandescent bulb (if direct sunlight is not available)
a measuring cup
soil (4 cups)
a roll of plastic wrap
a scissors or utility knife
clear tape
1 rubber band
6-8 ice cubes (all the same size)
Follow these steps to set up the experiment, and then answer the question in part A.
Cut off the neck of each bottle using the scissors as shown in the image. Stay safe: cut slowly and carefully so you do not cut yourself. If you’re using containers other than bottles, no cutting is needed.
Add two cups of soil to each bottle.
Place 3–4 ice cubes on top of the soil. The number of cubes must be the same in each bottle.
Tape a thermometer into the inside wall of each bottle. Stay safe: do not use mercury thermometers in the event they might break. Be sure to face the thermometer outward from the bottle for easy reading.
Cover the top of one bottle tightly with plastic wrap secured by a rubber band. Leave the other bottle open.
Position the bottles so that they are an equal distance from the lamp. (If you're not using a lamp, place the bottles in direct sunlight.) Turn the lamp on. Stay safe: To avoid electrocution, keep all water away from electrical sources.
Face the thermometers in the same direction for easy reading, as shown in the image.
a plastic bottle cut in half
two plastic bottles containing thermometers kept under a lamp
Hypothesis and Data Collection
Part A
Study your experiment setup. In 30 minutes, how will the air temperature in the bottles compare? What do you predict will happen to the ice in each bottle?
The answers include the following:
There will be an increase in the air temperature in the bottle.The ice which is present in each bottle will melt when observed after minutes.What is Temperature?This is referred to as the degree of hotness or coldness of a substance and it is influenced by thermal energy with the unit being in Kelvin which is denoted as K.
Greenhouse effect leads to an increase in the temperature of the environment due to the depletion of the ozone layer thereby causing global warming which is experienced in today's world and is the reason why the ice will melt.
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which of the following is expected to have the greatest viscosity? question 2 options: a) c5h12 b) c5h11oh c) ch4 d) c6h14
The expected to have the greatest viscosity is option c.C5H11OH.
The resistance of a fluid (liquid or gas) to a change in shape or motion of adjacent sections relative to one another is known as viscosity. Viscosity is a sign of flow resistance.
The thickness of a fluid is another name for viscosity. The state of a fluid, including its temperature, pressure, and rate of deformation, affects its viscosity. In some circumstances, the dependence on some of these traits is minimal. For instance, the rate of deformation has no effect on the viscosity of a Newtonian fluid. Super fluids are the only fluids that exhibit zero viscosity, or no resistance to shear stress; in all other fluids, positive viscosity is required by the second law of thermodynamics. Ideal or inviscid fluids are those with no viscosity.
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a student incorrectly names a compound as 4,6-diethyl-5-heptene. the correct iupac name of this compound is ________.
5-Ethyl-3-methyloct-3-ene is the IUPAC name of the substance. Alkenes are organic substances with a functional group made up of a carbon-carbon double bond. Alkenes can be named according to a logical set of rules, just like any other chemical substance.
According to this iupac method, the names of organic compounds are written using the IUPAC names of alkanes, which are straight-chain molecules containing all of the carbon atoms. An analog alkane or similar alkane is one such substance. The structure, common name, and IUPAC name of each of these alkane's atoms are listed below. The main benefit of a method is that it does not require memorizing the names of all organic compounds; instead, it just requires remembering a few rules and the names of the aforementioned alkanes.
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Explain what happens in:a. RBC with 10% NaCl.b. RBC with 0.9% NaCl.c. RBC with 0.1% NaCl.
a. In RBC with 10% NaCl, the concentration of sodium chloride is much higher than the normal concentration in blood, causing the red blood cells to shrink and become crenated due to osmotic pressure.
b. In RBC with 0.9% NaCl, the concentration of sodium chloride is close to the normal concentration in blood, resulting in little to no change in the shape or size of the red blood cells.
c. In RBC with 0.1% NaCl, the concentration of sodium chloride is much lower than the normal concentration in blood, causing the red blood cells to swell and become distorted due to osmotic pressure.
What is the effect of 10% NaCl on RBC?The effect of 10% NaCl on RBC is that it causes the water to move out of the RBC and into the solution, resulting in the RBC shrinking and becoming crenated due to the high concentration of salt compared to the concentration inside the RBC.
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if you know that you have 4.52 x 10-2 moles of metal ions in a 125 ml sample, what is the molarity of the sample? place your answer in 3 significant figures, not in scientific notation, and no unit. be sure to include the zero before the decimal.
Metal chloride has a 16.485% chloride concentration. To create the precipitate, agency, for a soluble metal, 73.5 ml of 0.256 m agno3 must be added to the metal chloride (s).
In order for your body to function properly and to keep you hydrated and healthy, electrolytes are required. One of the most important is chloride, which is an electrolyte. Along with salt and potassium, they maintain a balance in your body's acid and base levels. It is responsible for managing the fluid movement into and out of your cells. Metal chlorides, bromides, and to a lesser extent iodides continue to be the three most important class introductory materials in inorganic chemistry. Chlorine has a molecular weight of 1.88 * 10-2 * 35.5. = 0.667g. Therefore, the chloride content of metal chloride is represented as 0.667/4.046 * 100. = 16.485%
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A student sees tiny bubbles clinging to the inside of an unopened plastic bottle full of carbonated soft drink. The student opens the bottle, and hears a loud hiss as gas under pressure escapes from the bottle.
The tiny bubbles seen inside the unopened plastic bottle of carbonated soft drink were carbon dioxide (CO2) gas.
The carbon dioxide was dissolved in the soft drink under high pressure. When the bottle was opened, the pressure inside the bottle dropped, causing the carbon dioxide to escape from the solution in the form of bubbles. Which was dissolved in the liquid under pressure. When the student opened the bottle, the pressure inside the bottle was released, causing the CO2 gas to escape from the liquid and form bubbles on the inside of the bottle. The loud hiss heard by the student was the sound of the CO2 gas escaping from the bottle. This process is known as degassing, and it occurs because the solubility of CO2 in the liquid decreases as the pressure decreases.
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water was boiled in a beaker. the mass of the water remaining in the beaker was measured and graphed. how many moles of water vaporized during the first five minutes?
The number of moles of water that vaporized during the first five minutes would be 2.78 moles (50 g / 18 g/mol = 2.78 moles).
What is moles?Moles are a kind of small mammal found in many parts of the world. They are burrowing animals, living underground in burrows and tunnels. They have adapted to life underground and have physical features that help them survive in this environment, such as small eyes and ears, short legs and strong claws. They feed mainly on grubs, worms, and other small invertebrates found underground. They also eat some plant material and occasionally small animals. Moles are solitary animals and live in small family groups. They play an important role in the ecosystem, aerating and fertilizing the soil.
In order to calculate the number of moles of water that vaporized during the first five minutes, we must first calculate the mass of water vaporized during the same time period. This can be done by subtracting the mass of water remaining in the beaker after five minutes from the initial mass of water in the beaker. Once the mass of water vaporized is determined, it can then be converted to moles using the equation mass (g) = moles x molar mass (g/mol).
Assuming the initial mass of water in the beaker was 100 g, and the mass of water remaining in the beaker after five minutes was 50 g, the mass of water vaporized during this time period would be 50 g. To convert this to moles, we would use the equation mass (g) = moles x molar mass (g/mol). Since the molar mass of water is 18 g/mol, the number of moles of water that vaporized during the first five minutes would be 2.78 moles (50 g / 18 g/mol = 2.78 moles).
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Beaker A contains sulphuric acid and beaker B contains ethanoic acid.
Answer:
Explanation:
TRY LITMUS PAPER TEST
turn red if it comes in contact with an acid (a substance with pH between 0 and 7) and blue if it comes in contact with a base (a substance with pH between 7 and 14).