The air in a crewed spacecraft or submarine needs to be purified of exhaled carbon dioxide. write equations for the reactions between carbon dioxide and the following compounds. remember to include the states of all reactants and products in your equations.
(a) lithium oxide (li2o)(b) sodium peroxide (na2o2)

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.