What mass of potassium chloride is produced when 79.9 grams of oxygen is produced?

Chemical energy is a form of a. kinetic energy only. b. both potential and kinetic energy. c. neither potential nor kinetic energy. d. potential energy only. reset

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles