Identify the number of atoms of each element in the reactants and the products in the following equation. CH4(g)+ O2(g) + CO2(g) + H2O(g)

Idon’t know how to solve this question

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?