What is the density of a solid that has a mass of 100g and a volume of 25mL.?

In this synthesis reaction what products will form

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)

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