How many grams of chlorine gas are present in a 150. liter cylinder of chlorine held at a pressure of 1.00 atm and 0. °C? Group of answer choices

Answers

Answer 1

Answer:

474 grams of chlorine gas are present in a 150 liter cylinder of chlorine held at a pressure of 1.00 atm and 0 °C

Explanation:

An ideal gas is a theoretical gas that is considered to be composed of randomly moving point particles that do not interact with each other. Gases in general are ideal when they are at high temperatures and low pressures.

The pressure, P, the temperature, T, and the volume, V, of an ideal gas, are related by a simple formula called the ideal gas law:  

P*V = n*R*T

where P is the gas pressure, V is the volume that occupies, T is its temperature, R is the ideal gas constant, and n is the number of moles of the gas.

In this case:

P= 1.00 atmV= 150 Ln= ?R= 0.082 [tex]\frac{atm*L}{mol*K}[/tex]T= 0 C= 273 K

Replacing:

1.00 atm* 150 L= n*0.08206 [tex]\frac{atm*L}{mol*K}[/tex] *273 K

Solving:

[tex]n=\frac{1.00 atm* 150 L}{0.08206 \frac{atm*L}{mol*K}*273 K}[/tex]

n= 6.69 moles

Being Cl= 35.45 g/mole, the molar mass of chlorine gas is:

Cl₂=2*35.45 g/mole= 70.9 g/mole

So if 1 mole has 70.9 grams, 6.69 moles of the gas, how much mass does it have?

[tex]mass=\frac{6.69 moles*70.9 grams}{1 mole}[/tex]

mass= 474.321 grams ≅ 474 grams

474 grams of chlorine gas are present in a 150 liter cylinder of chlorine held at a pressure of 1.00 atm and 0 °C


Related Questions

Under what set of conditions does HCl(g) deviate the most from ideal behavior?a) high temperature and low pressure.b) low temperature and high pressure.c) high temperature and high pressure.d) low temperature and low pressure. e) standard temperatore and pressure.

Answers

Answer:

b) low temperature and high pressure

Explanation:

Deviation of gases from their ideal behavior could be as a result of two things which include a very small volume for the gases and the collisions not being elastic enough.

Small volume will decrease the frequency of elastic collisions a gas will experience as a result of the tiny space.

Low temperature will decrease the amount of elastic collisions and energy of the gas and high pressure will decrease the volume which is why there will be a deviation in the ideal behavior of Hcl(g)

What obligations do scientist have to society

Answers

Scientists have a moral obligation first to be good citizens, second to be good scholars, and third to be good scientists.

Which of the following does not involve chemical processes? A. cooking of food B.Changing of fruit color when it ripens C.Burning of Wood D.None of the above

Answers

Answer:

c because a chemical process is when something changes into another thing which the wood would be doing if you burned it

None of the above. A chemical process is a process that changes an item’s chemical compound.

For each case below, identify the most likely value for x: a. BHx b. CHx c. NHx d. CH2Clx

Answers

Answer:

BHx, x=3

CHx, x=4

NHx, x=3

CH2Clx, x=2

Explanation:

We have to know that the value of x must depend on the valency of the central atom. If we look at each of the species;

Boron has a common valency of 3

Carbon has a common valency of 4

Nitrogen has a common valency of 3

The valency of each elements will determine the most likely value of x as outlined in the answer above.

A solution of 100.0 mL of 0.200 M KOH is mixed with a solution of 200.0 mL of 0.150 M NiSO4. (a) Write the balanced chemical equation for the reaction that occurs. (b) What precipitate forms? (c) What is the limiting reactant? (d) How many grams of this precipitate form? (e) What is the concentration of each ion that remains in solution?

Answers

Answer:

a) 2KOH + NiSO₄ → K₂SO₄ + Ni(OH)₂

b) Ni(OH)₂

c) KOH

d) 0.927 g

e) K⁺=0.067 M, SO₄²⁻=0.1 M, Ni²⁺=0.067 M

Explanation:

a) The equation is:

2KOH + NiSO₄ → K₂SO₄ + Ni(OH)₂   (1)        

b) The precipitate formed is Ni(OH)₂  

 

c) The limiting reactant is:

[tex] n_{KOH} = V*M = 100.0 \cdot 10^{-3} L*0.200 mol/L = 0.020 moles [/tex]

[tex] n_{NiSO_{4}} = V*M = 200.0 \cdot 10^{-3} L*0.150 mol/L = 0.030 moles [/tex]

From equation (1) we have that 2 moles of KOH react with 1 mol of NiSO₄, so the number of moles of KOH is:

[tex] n = \frac{2}{1}*0.030 moles = 0.060 moles [/tex]                  

Hence, the limiting reactant is KOH.  

d) The mass of the precipitate formed is:

[tex] n_{Ni(OH)_{2}} = \frac{1}{2}*n_{KOH} = \frac{1}{2}*0.020 moles = 0.010 moles [/tex]

[tex] m = n*M = 0.010 moles*92.72 g/mol = 0.927 g [/tex]  

e) The concentration of the SO₄²⁻, K⁺, and Ni²⁺ ions are:

[tex]C_{K^{+}} = \frac{2*\frac{1}{2}*n_{KOH}}{V} = \frac{0.020 moles}{0.300 L} = 0.067 M[/tex]  

[tex]C_{SO_{4}^{2-}} = \frac{\frac{1}{2}*n_{KOH + (0.03 - 0.01)}}{V} = \frac{0.030 moles}{0.300 L} = 0.1 M[/tex]

[tex]C_{Ni^{2+}} = \frac{0.020 moles}{0.300 L} = 0.067 M[/tex]

I hope it helps you!                                                                        

The mass of precipitate formed is 0.93 g .

The equation of the reaction is;

NiSO4(aq) + 2KOH(aq) ---->K2SO4(aq) + Ni(OH)2(s)

The precipitate that forms is Ni(OH)2(s).

To obtain the limiting reactant;

Number of moles of NiSO4 = 200/1000 × 0.150 M = 0.03 moles

Number of moles of KOH = 100/1000 × 0.200 M = 0.02 moles

Since 1 mole of NiSO4 reacts with 2 moles of KOH

x moles of NiSO4 reacts with 0.02 moles of KOH

x =  1 mole  ×  0.02 moles/2 moles  = 0.01 moles of NiSO4

Hence, KOH is the limiting reactant.

Now;

Since 2 mole of KOH yields 1 mole of Ni(OH)2

0.02 moles of KOH yields 0.02 moles ×  1 mole/ 2 mole  = 0.01 moles of  Ni(OH)2

Mass of  Ni(OH)2 produced =  0.01 moles of  Ni(OH)2 × 93 g/mol = 0.93 g

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name of element flaurine what is latin name​

Answers

Answer:

Fluere

i hope this helps!

Atomic Structure and Bonding_quiz Q12 Points The principal, angular momentum, magnetic and spin quantum numbers for an atomic system are designated as nn, ll, m_lm l ​ , and m_sm s ​ , respectively. Which of the following statements is true?
a. nn represents the shape of the electron cloud
b. m_lm l ​ represents the orientation of the electron spin an electron at n=1
c. n=1 classifies as a "free electron" ll represents the shape of an orbital

Answers

Answer:

ll represents the shape of an orbital

Explanation:

There are four quantum numbers which give information about various orbitals in an atom. They describe the probability of finding the electron in an atom.

The orbital or azimuthal quantum number is represented as l. This quantum number gives information about the shape of an orbital.

Which compound would be expected to show intense IR absorption at 2710 and 1705 cm-1? (Ph = phenyl group)
A. CH2=CHCOCH3
B. PhCHO
C. CH3COCH2CH3
D. PhCOCH3
E. CH3Cl

Answers

Answer:

B. PhCHO

Explanation:

Every organic group shows a characteristic IR absorption at certain wavelength . With the help of these absorption spectra we can identify the group present on organic molecules .

The wave number of 2710 cm⁻¹ is absorbed by aldehyde bond stretching .

The wave number of 1705 cm⁻¹ is shown by conjugated aldehyde . So the most likely compound among given compounds is PhCHO .

Calculate the kinetic energy, in joules of a 1250-kg automobile moving at 20.0 m/s.

Answers

Answer:

250000 J.

Explanation:

From the question given above, the following data were obtained:

Mass (m) = 1250 kg

Velocity (v) = 20.0 m/s.

Kinetic energy (K.E) =?

Kinetic energy is simply defined as energy possed by a body in motion. Mathematically, it is expressed as:

K.E = ½mv²

Where:

K.E is the kinetic energy

m is the mass of the object

v is the velocity of the object.

Thus, we can obtain the kinetic energy of the automobile by using the above formula as illustrated below:

Mass (m) = 1250 kg

Velocity (v) = 20.0 m/s.

Kinetic energy (K.E) =?

K.E = ½mv²

K.E = ½ × 1250 × 20²

K.E = 625 × 400

K.E = 250000 J

Therefore, the kinetic energy of the automobile is 250000 J

Write 5 facts you know about weather and climate.

Answers

1) You can tell the temperature by counting a cricket's chirps! 2) Sandstorms can swallow up entire cities. 3) Dirt mixed with wind can make dust storms called black blizzards. ... 5) The coldest temperature ever officially recorded was -89.2°C.

What kind of questions CANNOT be answered by chemistry?

Answers

Answer:

Why does matter exist?

Explanation:

How many significant figures does the number 0.00650
have?

Answers

There are three of them

Answer:

3

Explanation:

For decimals, you always start at the first non-zero number and count all the way to the end of the number. To count the number of significant figures this number has, you start at 6 and count every number after that for a total of 3.

The bird bobbed its head up and down.

A) qualitative

B) quantitative ​

Answers

The correct answer would be A, qualitative.

"The bird bobbed its head up and down" it is qualitative. So, A is correct.

What is quantitative and qualitative?

Quantitative data is numbers-based, countable, or measurable. Qualitative data is interpretation-based, descriptive, and relating to language. Quantitative data tells us how many, how much, or how often in calculations. Qualitative data can help us to understand why, how, or what happened behind certain behaviors.

That statement given in the question is not telling us about any quantity or any number, it is telling us about certain behavior.

Quantitative Information – Involves a measurable quantity—numbers are used. Some examples are length, mass, temperature, and time. Quantitative information is often called data, but can also be things other than numbers. Qualitative Information – Involves a descriptive judgment using concept words instead of numbers.

Therefore, "The bird bobbed its head up and down" it is qualitative. So, A is correct.

Learn more about quantitative and qualitative, here:

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Compound A, C7H13Br, is a tertiary alkyl bromide. On treatment with CH3CH2ONa, A is converted into B, C7H12. Ozonolysis of B with O3 gives C as the only product. What are the structures of compounds A and B

Answers

Answer:

Compound A:    1-bromo-1-methylcyclohexane

Compound B:     1-methylcyclohex-1-ene

Explanation:

In this question, we can start with the I.D.H (hydrogen deficiency index):

[tex]I.D.H~=~\frac{(2C)+2+(N)-(H)-(X)}{2}[/tex]

In the formula we have 7 carbons, 13 hydrogens, and 1 Br, so:

[tex]I.D.H~=~\frac{(2*7)+2+(0)-(13)-(1)}{2}=1[/tex]

We have an I.D.H value of one. This indicates that we can have a cyclic structure or a double bond.

We have to keep in mind that the Br atom must be bonded to a tertiary carbon. We can not have a double bond because in the ozonolysis reaction we have only 1 product, therefore, we can not have a double bond in the initial molecule (if we have a double bond in the initial molecule we will have more than 1 product in the ozonolysis reaction).

With this in mind, we will have a cyclic structure. If we have 7 carbons and we need a tertiary alkyl halide. We can have a cyclic structure of 6 members and a methyl group bonded to a carbon that also is bonded to a Br atom (1-bromo-1-methylcyclohexane).

In the reaction with [tex]CH_3CH_2ONa[/tex] we will have an elimination reaction. In other words, we have the production of a double bond inside of the cyclic structure (1-methylcyclohex-1-ene).

See figure 1 for further explanations.

I hope it helps!

What is the empirical formula of an oxide of chromium that is 48% oxygen

Answers

Answer:

[tex]CrO_3[/tex]

Explanation:

Hello,

In this case, considering that the compound is 48% oxygen, we infer it is 52% chromium, therefore, by using their atomic masses we compute the moles by assuming those percentages as masses:

[tex]n_{Cr}=52g*\frac{1mol}{52g}=1mol\\ \\n_O=48g*\frac{1mol}{16g}=3mol[/tex]

Next, by dividing by the smallest moles, we find the subscripts in the empirical formula:

[tex]Cr=\frac{1}{1} =1\\\\O=\frac{3}{1} =3[/tex]

Which are also expressed in the smallest whole numbers, therefore the empirical formula is:

[tex]CrO_3[/tex]

Which corresponds to the chromic oxide or chromium (IV) oxide.

Regards.

Which explains why mixtures can be separated

Answers

Answer: A: the components have different properties

Explanation:

The guy above is wrong I’m right got it correct on my unit review on edge

Answer:

A.

Explanation:

How many grams of NH4OH are present in 37.0 grams of 6.00 M NH4OH which has a density of 0.960 g/mL?

Answers

Answer:

The mass of NH₄OH  present in the solution is 8.085 g

Explanation:

Given;

molarity of NH₄OH = 6 M

density of NH₄OH = 0.960 g/mL

mass of NH₄OH  = 37.0 grams

volume of  NH₄OH = mass /density

                                = 37/0.96

                                = 38.54 mL

molarity = moles of solute / Liters of solution

moles of solute  = molarity  x Liters of solution

moles of solute  = 6 x  38.54 x 10⁻³

moles of solute  = 0.231 moles

Reacting mass = number of moles x molecular mass

Molecular mass of NH₄OH = 35 g/mol

Reacting mass = 0.231 mol x 35 g/mol

Reacting mass = 8.085 g

Therefore, the mass of NH₄OH  present in the solution is 8.085 g

please answer these true false​

Answers

Both of them are false.

Answer:

False

False

they both will stay on the water

Hope this helped

What is the meaning of a positive or negative percent error?

Answers

Answer:

positive--real negative--not real

If this container of gas is heated,
then the pressure inside the container will
increase because pressure increases as
temperature increases.
Hypothesis
Theory
Law

Answers

Answer:

theory

Explanation:

kinetic theory of gases

Answer:

Hypothesis

Explanation:

Just did it

The process of making proteins using information from DNA is called ___ a. mitosis b. transcription c. replication d. translation e. mitosis

Answers

Answer:

Transcription

Explanation:

Transcription is when you make a copy of the RNA from DNA. This is how the mRNA can leave the nucleus which exists to the cytoplasm and into ribosomes where protein synthesis occurs.

What happens to the density of a material if you have a larger piece of it?(1 point) A.The density will be smaller because the mass remains the same as the volume increases.
B.The density will remain the same because mass and volume will both increase in the same way.
C. The density will remain the same because mass and volume will remain the same. D.The density will be greater because the mass increases but the volume remains the same.
PLEASSSSSSSSSSSSSE HELPPPPPPPPPPPPP ASAP.........

Answers

Ans: C

Hope this can help.

The change in the density of a material, if you have a larger piece of it, is the density will remain the same because mass and volume will remain the same. The correct option is C.

What is density?

Density is mass per volume. It is calculated by dividing the mass by the volume of the substance. It is a scalar quantity, and it is denoted by rho a Greek symbol. Furthermore, it is written in small d.

The density, mass, and volume are related to each other. These quantities do not change with the change in the quantity of the substance. If we take the large weight or quantity of substance, the density of the substance does not change.

Thus, the correct option is C. The density will remain the same because mass and volume will remain the same.

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Initially, scientists described atoms as the smallest particles of matter. However, smaller particles within atoms were discovered. How did the scientific world respond to this new information? by ignoring the new information because it went against a scientific law by discarding the old theory about atoms and making a new one by revising the theory that explained atoms to include this new information by designing new technology that would prove the new information was wrong

Answers

Answer:

By designing new technology that would prove new information

Explanation:

im not sure about the answer but i just did the test and "by designing new technology that would prove the new information was wrong" isint the answer

The diagram shows the layers formed when 10 mL each of honey, maple syrup, and corn syrup were slowly poured into a glass cylinder.

A tall cylinder with 3 layers is shown. The top layer is labeled Corn Syrup, the middle layer is labeled Maple Syrup and the bottom layer is labeled Honey.

A ping pong ball released gently into the cylinder floats on top of the corn syrup layer. What best compares the densities of the substances?

Group of answer choices

Honey is denser than corn syrup but less dense than the ball.

All liquids are denser than the ball, and honey is denser than corn syrup and maple syrup.

Corn syrup is denser than the other liquids, and the ball is denser than the liquids.

Corn syrup is denser than the other liquids and the ball.

Answers

The correct answer is B. All liquids are denser than the ball, and honey is denser than corn syrup and maple syrup.

Explanation:

Differences in density cause substances such as solids or liquids to float or sink. In general, the substance sinks if it is denser, or floats if it is less dense. In this context, honey is the substance with the most density because it is at the bottom of the container. Also, honey is followed in density by maple syrup, and then by corn syrup. Moreover, if the ping pong ball floats in the most superficial layer, it is because this is less dense than any of the liquids. According to this, it can be concluded honey is denser than the other liquids, and the liquids are denser than the ball (option B.)

Answer:

b is right  ( all liquids are denser than the ball and honey is denser than corn syrup.)

Explanation:

Use the virtual lab to prepare 150.0 ml of an iodine solution with a concentration of 0.06 g/ ml from the bottle of 0.12g/ml iodine solution

Answers

Answer:

Explanation:

In 150 ml of .06 g / ml solution , gram of iodine = 150 x .06 g = 9 g

Let volume of given concentration of .12 g / ml required be V

In volume V , gram of iodine = V x .12 g

According to question

V x .12 = 9 g

V = 9 / .12 = 75 ml

So, 75 ml of .12 g/ml will be taken and it is diluted to the volume of 150 ml to get the solution of required concentration .

Compare and contrast the results between the commercial and homemade pH test strips. Which test strips were more accurate? Explain your answer.

Answers

Answer:

See explanation

Explanation:

Homemade pH test strips make it a bit difficult to identity the colours that indicate various values of pH on a pH colour scale. These homemade pH strips make the results of the experiment more prone to human error. Also the creator of the test strip is also prone to human error during the creation of the strip.

The commercial pH test strips are more accurate when used.

Rank these hydrocarbons in order from predicted highest boiling point to lowest boiling point: a. CH3CH3b. CH3CH2CH3c. CH3CH2CH2CH3d. CH3CH(CH3)2

Answers

Answer:

c. CH3CH2CH2CH3 > d. CH3CH(CH3)2 > b. CH3CH2CH3 > a. CH3CH3

Explanation:

Hello,

In this case, considering the physical properties of hydrocarbons we find that the longer the carbon chain, the higher the boiling point as more energy is required for the phase transition from liquid to gas, thus, we see that c. CH3CH2CH2CH3 and d. CH3CH(CH3)2 have the highest boiling points since they have four carbons both. Then, we have b. CH3CH2CH3 which has three carbon atoms and the lowest boiling point is had by a. CH3CH3.

Nevertheless for both c. and d. we can see that c. has a straight chain whereas d. a branched chain, it means that c, has the highest boiling point due to the higher surface area for energy transfer.

Therefore, the order from highest to lowest is:

c. CH3CH2CH2CH3 > d. CH3CH(CH3)2 > b. CH3CH2CH3 > a. CH3CH3

Regards.

A pure substance made up of molecules of the same kind of atoms is called...

Answers

Answer:

All substances that are  made up of the same kind of mole ules are called pure substances.

So what do you mean ?

Explanation:

Answer: all matter is made up of pure substance

Explanation:

A student measures the mass of an 11.2cm3 block of sugar to be 17.8 g. What is the density of the sugar?

Answers

Answer:

21 cm 3 that is the answer

why is copper cobalt sulphide concentrates treated via roast rather than smelting​

Answers

Explanation:

Cobalt extraction refers to the techniques used to extract cobalt from its ores and other compound ores. Several methods exist for the separation of cobalt from copper and nickel. They depend on the concentration of cobalt and the exact composition of the used ore.

Cobalt ore

Contents:

The ores are treated by a sulfatizing roast in a fluidized bed furnace to convert copper and cobalt sulfides into soluble sulfates and iron into insoluble hematite. The calcine is subsequently leached with sulfuric acid from the spent copper recovery electrolyte. Oxide concentrates are introduced at this leaching step to maintain the acid balance in the circuit. Iron and aluminum are removed from the leach solution by the addition of lime, and copper is electrowon on copper cathodes. A part of the spent electrolyte enters the cobalt recovery circuit and is purified by the removal of iron, copper, nickel, and zinc prior to the precipitation of cobalt as its hydroxide. This is accomplished by the addition of more lime to raise the pH until the remaining copper precipitates. This copper is sent back to the copper circuit. As more lime is then added, a copper-cobaltite precipitates and is fed back to the leaching process. Sodium hydrosulfide (NaHS) is added (along with some metallic cobalt as a catalyst) to precipitate nickel sulfide (NiS). Hydrogen sulfide (H2S) and sodium carbonate (Na2CO3) are then added to precipitate zinc sulfide (ZnS). Lime is then added to saturation to precipitate cobalt(II) hydroxide (Ca(OH)2). In the final stages, this cobalt hydroxide is redissolved and the metal is refined by electrolysis. The resulting cobalt cathodes are crushed and vacuum degassed to obtain a pure cobalt metal.

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