How much energy is released when 34.1 grams of CH4 undergoes complete combustion? Type in the number only using significant figures. CH4(g) + 2O2(g) + CO2(g) + 2H2O(g) ∆H = -890.0 kJ/mol

Afamily is one another name for a group on the table of elements.

A5 mole sample of liquid acetone is converted to a gas at 75.0°c. if 628 j are required to raise the temperature of the liquid to the boiling point, 15.600 kj are required to evaporate the liquid, and 712 j are required to raise the final temperature to 75.0°c, what is the total energy required for the conversion?

Ascientist is measuring the pressure that is exerted by each of the following gases in the atmosphere: carbon dioxide, oxygen, and nitrogen. which term most likely describes what she is measuring?