Chemistry Concepts and Applications

Section 3: Nature of Reactions

Self Check Quizzes

1
Reactions that can occur in either direction are said to be __________.
A)backward
B)forward
C)limited
D)reversible
2
A system is said to be in __________ when no net change in the amounts of reactants and products occurs.
A)displacement
B)equilibrium
C)reverse
D)state
3
__________ indicate a state of equilibrium in a chemical equation.
A)double reaction arrows
B)a plus sign
C)an equal sign
D)a minus sign
4
Changes in an equilibrium system can be described according to __________ principle.
A)Boyle's
B)Dalton's
C)Le Chatlier's
D)Rutherford's
5
Adding reactants causes an equilbrium to __________.
A)shift to the right
B)remain unchanged
C)shift to the left
D)shift in both directions simultaneously
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