82 L of an ideal monatomic gas is at an absolute pressure of 4.2 atm when the temperature is 25 C.
(a) How many moles of gas are there?
moles
(b) How many molecules of the gas are there?
(c) The gas expands under constant pressure to twice its original volume. What is the temperature of the gas? K
(d) In the expansion, how much work is done by the gas?
J
(e) In the expansion, what is the change in the internal energy of the gas?
J
(f) In the expansion, how much heat is added to the gas (positive or negative)?
J