A 0.0020mol sample of gas is held in a 1.0L cylinder at 1atm pressure and 20 deg

Question

A 0.0020mol sample of gas is held in a 1.0L cylinder at 1atm pressure and 20 degrees C. The cylinder is sealed with a piston, which allows for changes in volume and pressure.

for each choose: increase, decrease, or unable to determine. and explain your choice.

a. if pressure on the cylinder decreases, the temperature of the gas increases, and all other conditions remain the same, the volume the gas occupies will:

b.If 0.001mol of gas is added, the temperature of the gas is decreased, and volume held constant, the pressure of the gas will:

c. If the volume of the gas increases, and temperature increases, and the number of moles is constant, the pressure of the gas will:

Explanation / Answer

If pressure on the cylinder decrease, the volume incease.. volume in this case temperature increase , volume increase from both statements final volume of ga will increase.

B) added moles of gas meansincrease moles of gas. Hence, pressure decreaseTemperature

r is directly proportionally to temperature .

Decreasing temperature pressure also decrease. Therefore, pressure of gas will decrease.

C)

Volume increases pressure decreases.

Temperature increases pressure also increases.

Therefore, pressure of gas remains constant

I

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