What pressure must be applied to keep a gas at 750 torr and 300 k at a constant volume of 200 ml if the temperature is raised to 450 k?

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh