Gravity is lower on other planets. Some don't have atmosphere.
12 grams of methane is one mole. So there are N(Avogadro)=6.22 x 10^23 molecules in one mole of methane
Well, there are 1,000 milligrams in a gram so 0.625 grams is 625 milligrams
Answer:
Answer below.
Explanation:
An exothermic reaction is a chemical reaction that releases energy through light or heat. It is the opposite of an endothermic reaction. Expressed in a chemical equation: reactants → products + energy.