Conservation Laws (Chemistry)

By definition, a closed system is one that does not exchange any matter with its surroundings and is not acted upon by external forces.

A basic law of physics and chemistry holds that the total mass of a closed system is conserved, i.e. it does not change with time.

Notes:

1. This is only true in the classical limit. In general relativity, mass is not a conserved quantity.

Links:

1. Wikipedia — Closed system

2. Wikipedia — Conservation of mass

Contents:

• Amount of mixture is sum of amounts of components
  • amount_of_mixture
  • amount_of_component
  • law
• Initial mass equals final mass
  • initial_time
  • final_time
  • mass
  • law
• Mass is constant
  • time
  • mass
  • law
• Mixture mass is sum of component masses
  • mixture_mass
  • component_mass
  • law