reactions that cause the surroundings to cool. Heat is taken in.
Glossary
SI units
Subject:
- Physical Sciences
Système International dâUnités. Internationally agreed coherent system of units: distance in metre (m), mass in kilogram (kg), time in second (s), current strength in ampere (A), temperature in kelvin (K), quantity of a substance in mole (mol) and strength of light in candela (cd) etc.