please help! How much heat is produced when 34 mols of propane (C3H8) is burned? Heat of combustion = -2219 KJ/mol.

How can you increase the ability of a gas to dissolve in a liquids?

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Which position represents spring in the southern hemisphere? a) b) c) d)