I have 130 liters of gas in a piston at a temperature of 250° C. If I cool the gas until the volume decreases to 85 liters, what will the temperature of the gas be?

In an oxidation-reduction reaction, oxidation is what happens when a reactant

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?