Answer to Question #290268 in Physical Chemistry for Ask

Question

★ Fill in the blanks with correct word(s).

1 The volume of the gas would become zero at _______ temperature.

2 At constant temperature when the volume of the gas decreases, the pressure ________.

3. A sample of helium gas occupies 6 mL at a temperature of 250 K. At _______K the gas expands to 9 mL.

4. The pressure of a gas mixture is equal to the ________ of the partial pressures of the constituent gases at a particular temperature.

5. The value of PV for 5.6 moles of a gas at 0°C is ________.

Answer 1

1)

Volume of gas become zero at $0K$

2)

At constant temperature, when volume of gas decreases, pressure increases.

3)

If pressure is constant

$\frac{V_1}{T_1}=\frac{V_2}{T_2}$

$\frac{6}{250}=\frac{9}{T_2}$

$T_2=375K$

4)

Pressure of a gas mixture is equal to sum of the partial pressure of constituent gases.

5)

$PV=nRT$

$=5.6×8.314×273$

=12710J