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General Chemistry

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Equilibrium and Kinetics

Question
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At this point of advancements in science, chemists have a good understanding of the kinetics of reactions. They can predict the effects of changes in pH, temperature, and concentration in chemical reactions.

In a cylinder, there is a reaction mixture of hydrogen and iodine. The hydrogen and the iodine react to form hydrogen iodide.

image\27420 ch 11 passage 1.png

The industrial production of ammonia is done by a process called Haber process. The reaction occurs as shown below, and is usually done in the presence of an iron catalyst.

image\27430 ch 11 passage 1.png

ΔH = –92kJ


Which of the following best explains the theory behind the predictions of the effects of increasing the concentrations of reactants or products in a reaction system?

A Dalton's law
B Markovnikov's principle
C De Broglie principle
D Le Chatelier's principle
Ans. D

Equilibrium and Kinetics Flashcard List

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