What type of reaction occurs when reactants absorb heat energy to form products?
a. endothermic
b. exothermic
c. acid-base
d. nuclear

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

When would a bouncy ball have the most potential energy

If one fission reaction of a uranium-235 atom produced two neutrons, how many neutrons would be released if the chain reaction occurred three more times?