Ideal Gas-MCQ-2

What is the kinetic energy of 1 mole of N2 gas at 470C?

• 3988.8 J

• 886.826 J

• 89.338 J

• 1773.65 h

What is the vapor pressure of saturated water at 300C?

• 31.83 mmHgP

• 28.35 mmHgP

• 35.66 mmHgP

• 25.21 mmHgP

At what temperature is the water vapor pressure present in the air at 320C equal to the saturated water vapor pressure?

• 00C

• 160C

• 200C

• 320C

What is the volume of 20 g of oxygen at 72 cm of mercury and 270C?

• 1.62 x 10-3 m3

• 16.24 x 10-3 m3

• 1.64 x 10-4 m3

• 16.68 x 10-4 m3

If the absolute temperature of a gas is doubled keeping mass and pressure constant, the volume of

• will be half

• will be a quarter

• will be doubled

• will be quadrupled

The velocities of three gas molecules are 15 m/s, 30 m/s and 35 m/s. What will be their root mean square?

• 28m/s-1

• 30.3m/s-1

• 30m/s

• 916.7m/s

Relative vapor pressure – depending on the temperature Depending on the nature of the liquid iii. depends on the volume occupied by the vapor Which of the following is correct?

• i and ii

• ii and iii

• i and iii

• i, ii and iii

1 liter of air at 100C is heated until its volume and pressure are doubled. Determines the final temperature of the air?

• 2830C

• 5660C

• 8490C

• 11320C

What is the ideal gas equation for 10 moles of gas?

• PV = 10 RT

• PV = nRT

• 10 PV = RT

• PV = 10 R

What graph shape is this?

• hyperbolic

• parabolic

• square root

• linear