Sally adds 3.13 moles of argon to a 5.29 liter balloon that already contained 4.21 moles of argonWhat is the volume of the balloon after the addition of the extra gas?

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.