What is the weight of a bowling ball which has a mass of three kilograms

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

What is the solubility of substance?

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.