Question 6 If I have 12.0 g of a compound with a molar mass of 47.0 g/mol, how many moles do I have?​

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as