When you heat a 50.0 l cylinder containing 10.0 moles of oxygen to 333 k, what is the pressure inside? (use the ideal gas law pv = nrt with r = 8.31 l-kpa/mol-k.)
166 kpa

553 kpa

12.5 kpa

5.46 kpa

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.