(12) Magnesium metal burns very brightly to produce heat and a white solid. What type of chemical reaction is taking place?
An endothermic
B exothermic
C reduction
D thermal decomposition

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~