You can supply activation energy to begin a reaction by adding an inhibitor cooling the reaction beaker in an ice bath adding a catalyst heating the reaction beaker over a burner

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

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

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c