1. If 3.05 mol of an ideal gas has a pressure of 9.12 atm and a volume of 67.31 L, what is the temperature of the sample

[answerhappygod]

1. If 3.05 mol of an ideal gas has a pressure
of 9.12 atm and a volume
of 67.31 L, what is the temperature of
the sample?
2. If 18.5 mol of an ideal gas takes up
14.5 L at,463 K, what is the pressure of
the gas?
3. A hot air balloon is filled with
1.11×10^6 L of an ideal gas on a cool morning
(11 ∘C). The air is heated to 113⁢ ∘C. What is
the volume of the air in the balloon after it is heated? Assume
that none of the gas escapes from the balloon.