Users can use simple equipment to measure enthalpy, a term often associated with physicists but significantly relevant to daily life. Heat transfer plays a pivotal role in all these processes, and ...

Chemical reactions make new chemicals. Atoms are rearranged during a chemical reaction, but the number of atoms does not change. Evidence of chemical reactions includes a large temperature change, ...

To make a safe, portable form of heating to take to the rest of the team working up on the glacier. All combustion reactions (such as the burning of coal) are exothermic. Incredibly, the reaction ...