Preserving food by freezing controls reaction rates by
A) decreasing the number of collisions.
B) increasing concentration.
C) changing the number of effective reactant collisions.
D) Both a and c are correct.
Correct Answer:
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Q10: Which is necessary for a chemical reaction
Q11: Exhibit 8-1
For the following questions, consider
Q12: In all chemical changes,
A) reactants disappear completely.
B)
Q13: According to the first law of thermodynamics,
A)
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Q16: Exhibit 8-1
For the following questions, consider
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Q19: Exhibit 8-1
For the following questions, consider
Q20: Which will increase the rate of a
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