Lesson: Heat Capacities of Gasses
In this lesson, we will learn how to relate changes of a gas’s bulk properties to its specific heat capacity and so define the first law of thermodynamics.
Sample Question Videos
Worksheet: 14 Questions • 1 Video
Determine how many moles of helium are in the tank. Use a value of 4.003 g/mol for the molar mass of helium.
How many moles of oxygen are in the tank?
The diver descends to a point where the sea temperature is while using a negligible amount of the heliox mixture. How much heating of the water around the scuba tank results from the change in temperature of the tank?
How much energy is transferred to the air? Model the air as being diatomic.
How much energy is transferred to the argon?
A sample of neon gas at a temperature of is put into a steel container of mass 52.7 g that is at a temperature of . The container is modeled as being perfectly rigid and perfectly insulated. The neon and steel reach an equilibrium temperature of . Determine the mass of the sample of neon. Use a value of 20.2 g/mol for the molar mass of neon and use a value of for the specific heat capacity of steel.