In one second if the concentration changes from 0.1 to 0.25 then the rate will be:
Correct answer: C. 0.15 moles/dm3s-1
- A. 0.02 moles/dm3s-1
- B. 0.03 moles/dm3s-1
- C. 0.15 moles/dm3s-1
- D. 0.11 moles/dm3s-1
Explanation
Rate of reaction = change in concentration/time = 0.15mol dm-3/1s = 0.15 mol dm-3 s-1
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About Chemical Equilibrium
Reversible reactions reach dynamic equilibrium when forward and reverse rates become equal, and Le Chatelier's principle predicts the effect of changing concentration, pressure or temperature. The chapter also covers solubility product, the common ion effect, buffer action and the conditions used in Haber's process, with equilibrium shifts distinguished from changes in the equilibrium constant.
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