How does a catalyst influence a chemical reaction?
A. it speeds up or slows down a chemical reaction by direct participation
B. It reacts with products to increase the concentration of reactants
C. it decreases the amount of energy necessary for the reaction to proceed
D. It increases the total amount of products formed
Answers: 1
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Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.
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What are some natural processes that represent physical and chemical changes?
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Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.
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How does a catalyst influence a chemical reaction?
A. it speeds up or slows down a chemical reactio...
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