At higher temperature, molal heat capacities of most of the gases (at constant pressure) ____________ with increase in temperature?

Related Mcqs:

Pick out the wrong statement?

A. Insulating refractories used in place of regular refractory bricks are usually called light weight refractories, and they have similar composition as heavy bricks B. Graphite refractories are also called plumbago refractories C. Superduty fireclay bricks correspond to a pyrometric cone equivalent of 26-28 D. Calcined magnesite is also called dead burnt magnesite...

With rise in temperature, the heat capacity of a substance___________________?

A. Increases B. Decreases C. Remains unchanged D. Either A. or B.; depends on the substance...

In case of an unsaturated vapor-gas mixture, the humid volume increases with increase in the________________?

A. Total pressure B. Absolute humidity at a given temperature C. Both A. and B. D. Neither A. nor B....

The depression in freezing point of a solution is________________?

A. Inversely proportional to the mass of solvent B. Directly proportional to the mole of solute C. Both A. and B. D. Neither A. nor B....

A perfectly insulated container of volume V is divided into two equal halves by a partition. One side is under vacuum, while the other side has one mole of an ideal gas (with constant heat capacity) at 298 K. If the partition is broken, the final temperature of the gas in the container___________________?

A. Will be greater than 298 K B. Will be 298 K C. Will be less than 298 K D. Cannot be determined...