1. Identify the reactants in this chemical equation:
2H2 + O2 + 2H2O

The fact that the total amount of energy in a system remains constant is a(n)

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²

Match each statement with the state of matter it describes