Law of mass action was proposed by Goldberg and Peter Waage in _________?
Correct answer: A. 1864
- A. 1864
- B. 1866
- C. 1888
- D. None of These
Explanation
Guldberg and Waage proposed the law of mass action in 1864, expressing how the rate or equilibrium composition depends on the active masses of reacting substances. The likely alternative is 1866, but that year is not the standard date associated with their original proposal.
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A reversible reaction proceeds in both forward and backward directions, so reactants and products continue changing until dynamic equilibrium is established. The topic covers the meaning of equilibrium, the equality of forward and reverse rates, and how concentration, pressure and temperature disturb equilibrium, which is separate from the rate at which equilibrium is reached.
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