HELP ASAP please

Part 1. Determine the molar mass of a 0.314-gram sample of gas having a volume of 1.6 L at 287 K and 0.92 atm. Show your work.

Part 2. Describe the temperature and pressure conditions at which the gas behaves like an ideal gas.

What volume would 2.25 moles of ne has occupy at stp?

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.