Which statement best compares potential and kinetic energy?
O Objects always have more potential energy than kinetic energy.
Only kinetic energy increases when the velocity of an object increases.
Only potential energy decreases when an object's height increases.
O Objects always have more kinetic energy than potential energy.

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

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

Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid