What would you expect to happen if you put a helium balloon in the hot sun? explain

How many grams of n2h4 will be consumed by 23 g of n2o4

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)

Which of the following units is not an official si unit? mole liter kilogram ampere