The number of atoms present in 0.5 gram atom of nitrogen is same as the number of atoms ain 12 gram of carbon in 32 gram of carbon in 8 gram of carbon in 24 gramof magnesium

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?