A substance with a low heat capacity can absorb and release less heat per degree temperature change than a substance with a high heat capacity. H c is the unknown quantity. No conversions are necessary. Substitute values with correct units into the original equation and solve. Once again, the reason for this is the hydrogen bonding between water molecules.
Temperature is a measure of the motion of molecules.
As we reviewed earlier, as the temperature of a substance increases so does the motion of its molecules. However, because of the hydrogen bonds in water it takes a lot of energy to set water molecules into motion. Therefore, the temperature of water rises more slowly than other substances. Lab 4 Activities 1. The list below shows the densities of substances with which you are familiar.