1) A gas has a pressure of 656 kPa at 277°C. What will its pressure be at 72°C, if the volume does not change?
2) A gas has a volume of 546 mL at a temperature of -75°C. What volume will the gas occupy at 90.0°C, assuming constant pressure?
3) How many moles of CO2 would be contained in 7.0 L at 125 kPa and 36°C?