Chemistry College

Imagine that you have a 7.00 L
gas tank and a 2.00 L
gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch. If you fill the larger tank with oxygen to a pressure of 155 atm
, to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.

Answers

Answer 1

We need to fill the acetylene tank to a pressure of 44.29 atm to ensure that we run out of each gas at the same time.

The acetylene tank pressure

To solve this problem, we need to apply the ideal gas law:

PV = nRT

Applying the ideal gas law for each tank,

PV = NkT

where N is the number of particles, k is Boltzmann's constant, and T is the temperature.

For oxygen:

(155 atm) * (7.00 L)

= N1 * k * T

For acetylene:

(P2) * (2.00 L)

= N2 * k * T

To use up both gases at the same time, we need to use the same number of moles of each gas. So we can set N1 equal to N2:

N1 = N2

Combining the two equations above to solve for P2:

(155 atm) * (7.00 L) = (N1) * k * T

(P2) * (2.00 L) = (N1) * k * T

Dividing the second equation by the first,

P2/P1 = (2.00 L)/(7.00 L)

P2 = (2.00 L)/(7.00 L) * (155 atm)

P2 = 44.29 atm

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Related Questions

need help ASAP. I'll give brainliest to the person who answers CORRECTLY and the fastest.

Answers

We would need to 1.39 L of the stock solution and then make up to the 2.54 L mark.

What is the dilution formula?

The dilution formula is used to calculate the new concentration of a solution after it has been diluted with a solvent. The formula is:

C1V1 = C2V2

where:

C1 = the initial concentration of the solution

V1 = the initial volume of the solution

C2 = the final concentration of the solution

V2 = the final volume of the solution

By the use of the formula;

C1V1 = C2V2

V1 = C2V2/C1

V1 = 2.54 * 6/11

V1 = 1.39 L

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Which statement is true about cytokinesis?
*
2 points
Chromosomes start to decompress
Chromosomes are pulled towards the poles
A cell plate forms in plant cells
The nuclear envelope breaks down

Answers

The correct statement about cytokinesis is that a cell plate forms in plant cells. Option C is correct.

During cytokinesis, the cytoplasm of the parent cell divides into two daughter cells, each with its own nucleus and organelles. In animal cells, a contractile ring made of actin and myosin filaments forms around the cell's equator and contracts, pinching the cell in two.

In contrast, plant cells build a cell plate, which forms from vesicles produced by the Golgi apparatus, at the cell's equator. These vesicles fuse together and form a new cell wall to separate the two daughter cells. The other three options mentioned in the question are related to mitosis, which is the division of the nucleus, whereas cytokinesis is the division of the cytoplasm. Option C is correct.

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