In the chemical reaction: naoh (s) + h2o → na+ (aq) + oh- (aq), which substance (or substances) is in solution? oa) nat (aq) only ob) oh" (aq) only oc) nat (aq) and oh (aq) od) naoh (s)

How air particles exert a pressure on the inside of the balloon

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water