1. Determine the pressure in mmHg of 0.133 g sample of helium gas in 648 mL container at a temperature of 32 degree C.
2. A gas has a denisty of 2.45 g/L at a temperature of 23 degree C and a pressure of 0.789 atm. Calculate its molar mass.
3. Arrange the following gases in order of increasing density at STP: Ne, Cl2, F2, and O2

Answers

Answer 1

1. The pressure of the helium gas in the container is 1186 mmHg.

2. The molar mass of the gas is 63.4 g/mol.

3. The gases arranged in increasing order of density at STP are: Ne < O2 < F2 < Cl2.

1. To determine the pressure in mmHg of 0.133 g sample of helium gas in a 648 mL container at a temperature of 32 degree C, we can use the ideal gas law equation: PV = nRT, where P is the pressure, V is the volume, n is the number of moles of gas, R is the gas constant, and T is the temperature in Kelvin. First, we need to convert the temperature from Celsius to Kelvin by adding 273.15. Thus, T = 305.15 K. Next, we can calculate the number of moles of helium gas by dividing the mass by the molar mass of helium (4.003 g/mol). So, n = 0.133 g / 4.003 g/mol = 0.033 mol. Then, we can substitute the values into the ideal gas law equation and solve for the pressure: P = (nRT) / V = (0.033 mol x 0.08206 L atm/mol K x 305.15 K) / 0.648 L = 1.56 atm. Finally, we can convert the pressure from atm to mmHg by multiplying by 760 mmHg/atm: P = 1.56 atm x 760 mmHg/atm = 1186 mmHg. Therefore, the pressure of the helium gas in the container is 1186 mmHg.
2. To calculate the molar mass of a gas that has a density of 2.45 g/L at a temperature of 23 degree C and a pressure of 0.789 atm, we can use the ideal gas law equation again, but this time we need to rearrange it to solve for the molar mass. The equation we need is: M = (dRT) / P, where M is the molar mass, d is the density, R is the gas constant, T is the temperature in Kelvin, and P is the pressure. First, we need to convert the temperature from Celsius to Kelvin as before, so T = 296.15 K. Then, we can substitute the given values into the equation and solve for the molar mass: M = (2.45 g/L x 0.08206 L atm/mol K x 296.15 K) / 0.789 atm = 63.4 g/mol. Therefore, the molar mass of the gas is 63.4 g/mol.
3. To arrange the gases Ne, Cl2, F2, and O2 in order of increasing density at STP (standard temperature and pressure, which is 0 degree C and 1 atm), we need to know their molar masses and use the equation d = M/V, where d is the density, M is the molar mass, and V is the molar volume of a gas at STP (22.4 L/mol). The molar masses of the gases are: Ne = 20.2 g/mol, Cl2 = 70.9 g/mol, F2 = 38.0 g/mol, and O2 = 32.0 g/mol. Using the equation, we can calculate the densities as follows: Ne = 20.2 g/mol / 22.4 L/mol = 0.902 g/L, Cl2 = 70.9 g/mol / 22.4 L/mol = 3.17 g/L, F2 = 38.0 g/mol / 22.4 L/mol = 1.70 g/L, and O2 = 32.0 g/mol / 22.4 L/mol = 1.43 g/L. Therefore, the gases arranged in increasing order of density at STP are: Ne < O2 < F2 < Cl2.

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Related Questions

What was the first expert system developed to determine the chemical structure of molecules?

Answers

Dendral was the first expert system developed to determine the chemical structure of molecules.

A molecule refers to a set of (2) or more atoms that are chemically bonded collectively, which allows you to form the smallest essential unit of a chemical compound. additionally, molecules are capable of taking elements in a chemical reaction.

A molecule is the smallest particle of a substance that has all of the physical and chemical houses. Molecules are made up of one or extra atoms. A molecule is a hard and speedy of or greater atoms held together via the use of a way of appealing forces called chemical bonds.

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Look at picture for the question

Answers

The amount, in grams, of carbon tetrachloride that would be present, will be 22.99 grams.

Finding the mass from the number of particles

For every one mole of any substance, there are 6.022 x [tex]10^{23}[/tex] atoms of particles. This is according to Avogadro.

Now, there are 9 x [tex]10^{22[/tex] particles in this particular carbon tetrachloride.

If 1 mole = 6.022 x [tex]10^{23}[/tex] particles

Then,

9 x [tex]10^{22[/tex] particles =  9 x [tex]10^{22[/tex] x 1/6.022 x [tex]10^{23}[/tex] particles

                       = 0.1495 moles

Carbon tetrachloride has the chemical formula CCl4 and has a molar mass of 153.82 g/mol.

Recall that: mole = mass/molar mass

Hence, mass = mole x molar mass.

Mass of 0.1495 moles CCl4 = 0.1495 x 153.82 = 22.99 grams

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Which rule for assigning oxidation numbers IS correct?
Hydrogen is usually -1.
Oxygen is usually -2.
• A pure group 1 element is +1.
• A monatomic ion is 0.

Answers

Answer:

B.) Oxygen is usually -2

Explanation:

Hydrogen is usually +1.

A pure group 1 element is not always +1.

A monoatomic ion can be a range of numbers. However, it must be a charge other than 0.

Each coin has a mass of 21.94 g and a volume of 2 mL which of the following metals are the coins made of

Answers

Answer:

A.

Explanation:

The density of each element represents the mass (grams) per every 1 milliliter Therefore, if each coin is 2 milliliters, you need to divide the given mass by 2.

21.94 grams / 2 mL = 10.97 grams / 1 mL

This matches the density of silver.

A _____________ is a reagent that protects a component of the analyte from reaction with edta.
a. hindrance agent
b. displacement agent
c. masking agent
d. blocking agent
e. reducing agent

Answers

the answer is masking agent

Which describes the oxidizing agent in a chemical reaction?
the substance that is oxidized because it loses electrons
the substance that is reduced because it loses electrons
the substance that is oxidized because it gains electrons
the substance that is reduced because it gains electrons

Answers

The statement that describes the oxidizing agent in a chemical reaction is the substance that is reduced because it gains electrons (option D).

What is a redox reaction?

A redox reaction is a chemical reaction in which some of the atoms have their oxidation number changed.

In a redox reaction, there are oxidizing and reducing agents. The oxidizing agent is the substance that receives electrons from another substance, hence, becoming reduced.

Therefore, the statement that describes the oxidizing agent in a chemical reaction is the substance that is reduced because it gains electrons.

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Answer:D

Explanation:

took test

A radioactive isotope is an isotope that

Answers

Considering the definition of radioisotope, a radioactive isotope is an isotope that contain an unstable combination of neutrons and protons, or excess energy in their nucleus.

What is isotope

An atomic species is defined by the number of protons in the nucleus (called the atomic number, Z) and the total number of protons plus neutrons (called the mass number, A).

Isotopes are those atoms of an element with the same atomic number but different atomic mass, that is, with the same number of protons and therefore identical chemical properties, but different numbers of neutrons and different physical properties.

Isotopes can be stable and unstable or radioisotopes.

What is radioisotope

So, a radioisotope is a chemical element whose nucleus is unstable, that is, in imbalance in the relationship between protons and neutrons. Due to this, this element releases the excess energy it contains in the form of ionizing radiation until this element reaches stability.

In summary, radioisotopes are the unstable form of an element that emits radiation to transform into a more stable form.

Summary

Finally, a radioactive isotope is an isotope that contain an unstable combination of neutrons and protons, or excess energy in their nucleus.

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A molecule with the formula ab3 and a trigonal planar molecular geometry uses ________ to form its σ bonds.

Answers

A molecule with the formula ab3 and a trigonal planar molecular geometry uses sp2 hybridization to form its σ bonds.

Trigonal hybridization is another name for sp2 hybridization. To create the new hybrid orbital known as sp2, one's orbital and two 'p' orbitals of equal energy are mixed together. Trigonal symmetry was used to generate a mixture of s and p orbitals, which are kept at 1200.

One s orbital and two p orbitals combine to generate three sp2 hybridizations, each of which has a 33 percent s character and a 67 percent p character. This process is known as sp2 hybridization. Anytime an atom is surrounded by three groups of electrons, this kind of sp2 hybridization is necessary.

Both the carbon and oxygen atoms are sp2 hybridized. The carbon atom can establish three bonds, one of which is to the oxygen, and possesses three sp2 hybridized orbitals.

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mass of an atom of element x is equivalent to the total mass of 7 hydrogen atoms. what element represent x ?

Answers

Answer:

lithium

Explanation:

The mass of hydrogen is 1 u, so the mass of element x is 7 u, which is approximately the atomic mass of lithium.

Provide the IUPAC name for the compound below. a. 1-chloro-4-methylpent-2-yne b. 5-chloro-2-methylpent-3-yne c. sec-butylchloromethylacetylene d.1-chloro-4,4-dimethylbut-2-yne

Answers

Answer: a. 1-chloro-4-methylpent-2-yne - [tex]C_6H_9Cl[/tex]

              b. 5-chloro-2-methylpent-3-yne - [tex]C_6H_7Cl[/tex]

              c. sec-butyl chloromethyl acetylene - [tex]C_{12}H_{21}ClO_2[/tex]

              d.1-chloro-4,4-dimethylbut-2-yne - [tex]C_6H_9Cl[/tex]

What is the full name of IUPAC?

The full name of IUPAC is International Union of Pure and Applied Chemistry.

The compound's name is typed out first, followed by the base name and the substituents in alphabetical order (derived from the number of carbons in the parent chain). Between numbers and letters are separated by dashes and commas, respectively. The name has no spaces.

Therefore, a. 1-chloro-4-methylpent-2-yne - [tex]C_6H_9Cl[/tex]

              b. 5-chloro-2-methylpent-3-yne - [tex]C_6H_7Cl[/tex]

              c. sec-butyl chloromethyl acetylene - [tex]C_{12}H_{21}ClO_2[/tex]

              d.1-chloro-4,4-dimethylbut-2-yne - [tex]C_6H_9Cl[/tex]

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a. How many Joules of energy are required to raise 3.50kg of water from 38.5 to 75.0C ? (specific heat of water is 4.184J/g C)(1000g=1kg)

b. How many grams of carbon are present if it requires 37.5 kJoules of energy to heat a sample from 30.0 to 55.0C ? (specific heat of carbon is 0.71 J/g C)

c. If 480.0 Joules is applies to a 50.0g sample of Hg in a thermometer that reads 25.0C, what will be the final temperature of the sample? (SH mercury is 0.14)

d. A 25.0kg sample of an unknown metal X requires 875kJ of energy to heat it from 55.0 to 125.0C. What is the specific heat of the unknown metal?


5.690x103 miles to meters.

900.0kg to grams

Please also give sig figs to all answers.

Answer fast please.

Answers

a.

A substance's specific heat tells you how much heat is required to increase the temperature of 1 g of that substance by 1°C.

The equation that establishes a relationshop between heat and change in temperature is

q = m • c • ∆T, where

q - heat absorbed

c - the specific heat of the substance, in your case of water

ΔT - the change in temperature, defined as the difference between the final temperature and the initial temperature

so:

q = 1.00 g • 4.18 J/g×°C • (75.0 - 38.5)°C

q = 152,57 J

just apply this formula for all exercises

A. How many Joules of energy are required to raise 3.50kg of water from 38.5 to 75.0C ? (specific heat of water is 4.184J/g C)(1000g=1kg)

Answer:

q = 534,506 Joules

q = 534.506 KiloJoules

534.506 KiloJoules or 534,506 Joules energy required to raise 3.50kg of water from 38.5 to 75.0C

What is sp.heat ?

Sp. Heat is the heat required to increase the temperature of the 1 mass of a given substance by a  [tex]1^{0}[/tex] C temperature.

The formula of specific heat Cp = [tex]\frac{q}{m (∆T)}[/tex]

Where,

q = energy of substance (Joules / KiloJoules),

Cp = Specific heat capacity of the substance (J/Kg.C),

m = mass of the substance

∆T = Change in temp.

Explanation:

Given data from que: -

Mss of the water (m) = 3.50 Kg = 3.50 × 1000 gm = 3500 gm

specific heat capacity of water (Cp) = 4.184J/g C

Change in temp (∆T) = 75.0 - 38.5 = 36.5

now, put all above given data in formula

we get

Cp = [tex]\frac{q}{m (∆T)}[/tex]

q = Cp ×m×∆T

q = 4.184×3500×36.5

q = 534,506 Joules

q = 534.506 KJ

Write the empirical formula for at least four ionic compounds that could be formed from the following ions:

Answers

Here is the solution,
I have colour coded it so it’s easy to understand.
Hope it helps :)

Noble gases are the least reactive elements on the periodic table


True or false

Answers

True. Noble gases are the least reactive elements on the periodic table

What are noble gases?

They are a group of elements with completely filled orbitals. In other words, they have zero valence electrons.

Without having valence electrons, it becomes difficult for this group of elements to form bonds with other elements either by electron donation or sharing.

However, they can be made to form bonds with other elements under special conditions.

Thus, they are the least reactive of all the elements in the periodic table.

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Answer:

TRUE!

"Why?"

The Noble Gases have eight valence electrons, which fill their outer energy level. This is the most stable arrangement of electrons, so noble gases rarely react with other elements and form compounds.

Hope this helps!

A __________________ election is the type of election in which candidates from the same party compete against one another to try to win the party's nomination.

Answers

A primary election is the type of election in which candidates from the same party compete against one another to try to win the party's nomination.

A formal procedure of communal decision-making, an election that's how a population chooses a person or people to hold public office.

A general election would be one that takes place simultaneously throughout all constituencies, usually the day before or within a few days. When a member dies or resigns, elections may be conducted just for that constituency to replace the vacancy.

For positions with fixed terms, such as that of the president, governor, or legislator, primaries are frequently held. There are normally no special primaries for positions that could be replaced without holding a new election, including such a prime minister.

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At 55 mph, it takes about ____ feet to react to something you see and to bring the car to a complete stop.

Answers

At 55 mph, it takes about  228  feet to react to something you see and to bring the car to a complete stop.

It has taken as long as afootball field to stop your car at 55 mph ( 265 and 303 feet) and is assuming you were alert. If you drive at 55 mph on a dry , level pavement , your average stopping distance will be 265 feet . The stopping distance increases in the adverse conditions.

The car stops when both tire and the car have comes to a completely on rest point.

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Insulating materials are composed of atoms with?

Answers

Insulating materials are composed of atoms with tightly bound outer electrons.

What is Insulating Material ?

The material that stop the flow of Sound, Heat and Electricity by them are called Insulating Material. Insulator are the materials whose atoms have tightly bound outer electrons because electrons are not free to shared by neighboring atoms.

Examples: Glass, Plastic, Rubber, Air and Wood.

What are the types of Insulating Material ?

There are mainly three types of Insulating Material:

Heat Insulator Electricity Insulator Sound Insulator

Thus from the above conclusion we can say that Insulating materials are composed of atoms with tightly bound outer electrons.

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What is the element with the abbreviated electron configuration [kr]5 s 24 d 8?

Answers

The element with the abbreviated electron configuration is palladium.

Abbreviated electron configurations

Electron configurations can be abbreviated using the noble gas configuration. The noble gas elements have completely filled orbitals.

The noble gases are:

Helium with an atomic number of 2Neon with an atomic number of 10Argon with an atomic number of 18Krypton with an atomic number of 36And so on.

For example, an element with the atomic number 4 can have its electron configuration written as [He] [tex]2S^2[/tex].

An element with the abbreviated atomic number [Kr] [tex]5s^2[/tex] [tex]4d^8[/tex] has a total of the atomic number of Kr + 2 + 8.

                36+2+8 = 46 electrons.

The element with the atomic number of 46 is palladium.

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What best defines an extensive property of a substance? (4 points) A property that is observable A property that is measurable A physical property that depends on the sample size A physical property that is not dependent on sample size

Answers

Answer:

A physical property that depends on the sample size 

Explanation:

For a second order reaction, if [A]^-1 is plotted vs. time, which corresponds to the slope of the plot?
a. 1/a
b. K
c. 1/k
d. Ln[a]
e. -k

Answers

For a second order reaction, if (A)^-1 is plotted vs. time is straight line with k= slope of the line,Plot the inverse of concentration of a reactnt verus time.

Second order reaction defined as chemical reactions which is the sum of the exponents in the rate of law of the chemical reaction is equal to two.The such reaction is written as the - r=k(A)2 or r= k(A)(B).

Second  order reaction is a type of reaction which is depend on the concentrations of one second order or two first order reactants.Reaction proceeds at rate proportional to the square of the product of the concentration of one reactant, or the product of the concentrations of two reactant.

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What is the general trend for atomic radius as you go down the noble gas family?

Answers

Answer:

the atomic radius is larger as you go down the noble gas family

i need help asapppp

You are a marine paleontologist working on the sediments in
the Mediterranean Sea. Seventeen different locations have
been investigated. Over four months your team found and
collected material that may once have been a part of an
ancient seabed. If it was an ancient seabed, it is likely to
contain fragments of shells and other fossils. After careful
analysis, you found one chemical to be predominant in all
seventeen samples. The percentage composition of this
compound was found to be 40.00% calcium, 11.99% carbon,
and 48.01% oxygen. The molar mass of the unknown
compound is 100.09 g/mol.

1. Find the empirical and molecular formulae for the unknown
compound (substance X). What is the name of this
compound?

Answers

The molecular formula of the compound is CaCO3.

What is the molecular formula?

The molecular formula is the formula of the compound that shows the number of atoms present in the molecule.

Now, we have that;

Ca - 40.00/40  C - 11.99/12   O - 48.01/16

Ca - 1   C - 1   O - 3

The empirical formula of the compound is CaCO3

Now;

[40 + 12 + 3(16)]n = 100.09

n = 100.09 /100

n = 1

Hence, the molecular formula of the compound is CaCO3.

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A sample of gas has its number of molecules quadrupled, its Kelvin temperature doubled, and its volume tripled. By what factor has the new pressure changed relative to the original pressure

Answers

The new pressure changed relative to the original by a factor of 8/3.

What is the change in the pressure?

Using the ideal gas equation;

PV = nRT

P = pressure

V = volume

n = number of moles

R = gas constant

T = temperature

P1 = nRT/V

P2 = 4n * R * 2T/3V

Hence;

P2/P1 = 4n * R * 2T/3V ÷  nRT/V

P2/P1 = 4n * R * 2T/3V * V/nRT

P2/P1 =4 * 2/3

= 8/3

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Calculate the mass of 2.5 moles of NaCl?

Answers

The mass of 2.5 moles of NaCl is 146.25 g.

What is a Moles?A mole is defined as the quantity of a material that includes precisely 6.02214076 X 1023 of the substance's elementary entities.A substance is said to have a mole with a mass equal to 12.000 g of 12C and the same number of basic units as atoms.The mole can be used to calculate the quantities involved in chemical processes and identify the simplest formula of a compound. The molarity notion, which is related, helps discuss reactions in solutions. The number of moles of a solute in a liter of solution is known as molarity (M).Quantities that cannot be quantified using units like grams or milligrams are referred to as moles. A mole thus counts the quantity of atoms, ions, or molecules.  

The mass of 2.5 moles of NaCl:

So, one mole of NaCl weighs 58.44 g. A 2.5 M solution is 2.5 moles per liter (Molarity is just the number of moles per liter). Therefore, 0.5 L would contain 1.25 mole. Hence, you would need 58.5×2.5 = 146.25 g

m(NaCl) = M×n

m(NaCl) = 58.5×2.5 = 146.25 g

The mass of 2.5 moles of NaCl is 146.25 g.

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The mass of NaCl is 146.25g .



Calculate the molar mass of NaCl ?

The Atomic mass of Na is 23g

Atomic mass of Cl is 35.5g

In the formula there is only one molecule of each element is present so,

Molar mass =23×1+35.5

. →58.5g/ mol

We have given ,

moles of NaCl →2.5 mol

molar mass of NaCl we have found earlier ,

58.5g/mol

No of moles = weight of NaCl /Mb

Mb represent molar mass ofNaCl

2.5=Wb/58.5

Weight of Nacl= 58.5×2.5

. →146.25g

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If you have 100 ml of a 0.10 m tris buffer (pka 8.3) at ph 8.3 and you add 3.0 ml of 1.0 m hcl, what will be the new ph?

Answers

The new pH is 7.69.

According to Hendersen Hasselbach equation;

The Henderson Hasselbalch equation is an approximate equation that shows the relationship between the pH or pOH of a solution and the pKa or pKb and the ratio of the concentrations of the dissociated chemical species. To calculate the pH of the buffer solution made by mixing salt and weak acid/base. It is used to calculate the pKa value. Prepare buffer solution of needed pH.

                       pH = pKa + log10 ([A–]/[HA])

Here, 100 mL  of  0.10 m TRIS buffer pH 8.3

                 pka = 8.3

         0.005 mol of TRIS.

∴  [tex]8.3 = 8.3 + log \frac{[0.005]}{[0.005]}[/tex]

   inverse log 0 = [tex]\frac{[B]}{[A]}[/tex]

   [tex]\frac{[B]}{[A]} = 1[/tex]

Given; 3.0 ml of 1.0 m hcl.

           pka = 8.3

           0.003 mol of HCL.

[tex]pH = 8.3 + log \frac{[0.005-0.003]}{[0.005+0.003]}\\pH = 8.3 + log \frac{[0.002]}{[0.008]}\\\\pH = 8.3 + log {0.25}\\\\pH = 8.3 + (-0.62)\\pH = 7.69[/tex]

Therefore, the new pH is 7.69.

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Which equation agrees with the ideal gas law?
StartFraction V subscript 1 over T subscript 1 EndFraction equals StartFraction V subscript 2 over T subscript 2 EndFraction.
V subscript 1 n subscript 1 equals V subscript 2 n subscript 2.
P subscript 1 n subscript 1 equals P subscript 2 n subscript 2.
StartFraction P subscript 1 over P subscript 2 EndFraction equals StartFraction T subscript 2 over T subscript 1.

Answers

The equation for ideal gas law is written as PV = nRT.

What is Ideal gas law?

Ideal gas law states that, the volume of a given amount of gas is directly proportional to the number on moles of gas, directly proportional to the temperature and inversely proportional to the pressure.

PV = nRT

where;

P is pressure of the gasV is volume of the gasn is number of molesR is ideal gas constantT is temperature

Thus, the equation for ideal gas law is written as PV = nRT.

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Answer:

A edg

Explanation:

Including the conversion of pyruvate to acetyl coa, how many nadh, fadh2, atp, and gtp molecules are produced during the krebs cycle?

Answers

3 NADH + [tex]1FADH_{2}[/tex] + 1GTP (=ATP)  is used during Krebs Cycle in every  acetyl CoA

The Krebs cycle is also called citric acid cycle.The Krebs cycle is used for conversion pyruvate to acetyl CoA.The sequence of reaction in living organism in  which oxidation of acetic acid or acetyl equivalent provides  energy for storage in phosphate bonds.

The pyruvate is important chemical compound in the biochemistry.The pyruvate is primary used as transporter of carbon atoms into the mitochondria and do complete oxidation of this  carbon atoms into carbon dioxide.

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attractive forces between molecules in a solid are stronger
than bonds between atoms in a molecule

Answers

Answer:

False

Explanation:

Attractive forces between molecules in a solid are weaker than bonds between atoms in a molecule.

It takes much more energy to break intramolecular bonds (bonds within molecules) than it does to break intermolecular bonds (bonds between molecules). As a result, it is more difficult to break apart one molecule of a solid than it is to break the solid or separate the molecules from one another.

Molecules that have at least one carbon atom bonded to four different groups are __________ while molecules that do not contain a carbon atom bonded to four different groups are

Answers

Chiral carbon refers to compounds with at least one carbon atom connected to four different groups, whereas Achiral carbon refers to molecules without a carbon atom bonded to four separate groups.

What is Chiral carbon ?

Chiral carbon centres are tetrahedrally positioned carbon atoms that have four distinct substituents bonded to them. The terms "stereogenic carbons" and "asymmetrical carbon atoms" are also used to describe chiral carbon atoms.

What is Achiral carbon ?

An achiral molecule lacks "handedness" and can be superimposed on its mirror copy (think of a baseball bat, which can be used with either hand)

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Which one of the following terms is used to describe a loan wherein each payment is equal in amount and includes both interest and principal

Answers

amortized loan one of the following terms is used to describe a loan wherein each payment is equal in amount and includes both interest and principal.

What is an amortized loan?

A loan that is amortized requires the borrower to pay interest and principal over time. A three-year investment yields 5% a year in interest, paid out semi-annually.An amortized loan payment initially covers the interest cost for the period; any balance is applied to the principle balance.

What does it mean when a loan is amortized?

A loan that is amortized over a predetermined period of time is a type of financing. The borrower pays the same amount over the course of the loan under this form of repayment plan, with the initial portion going toward interest and the remaining sum being applied to the existing loan principal.

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__________ is the use of high energy radiation to kill cancer cells.

Answers

Answer:

Radiation therapy is the use of high energy radiation to kill cancer cells.

Answer:

Radiation Therapy.

Explanation:

Also known as radiotherapy, it uses high-energy radiation to damage and/or kill cancer cells.

Other Questions
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