Chemistry, 01.09.2021 01:00 perezsamantha3oqr0za
Enzymes are catalysts that affect biological reactions. How do enzymes
change the rates of reactions in the body?
A. Enzymes increase reaction rates by lowering the activation energy.
B. Enzymes decrease reaction rates by lowering the activation
energy
C. Enzymes decrease reaction rates by decreasing the energy of the
products.
D. Enzymes increase reaction rates by increasing the energy of the
reactants.
Answers: 2
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2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here
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Chemistry, 22.06.2019 14:50
Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
Answers: 1
Chemistry, 23.06.2019 01:30
Which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.
Answers: 1
Chemistry, 23.06.2019 04:20
The lewis diagrams for magnesium and fluorine are shown below. what is the correct chemical formula for magnesium fluoride? a. mgf b. mg2f c. mgf2 d. mg2f3
Answers: 1
Enzymes are catalysts that affect biological reactions. How do enzymes
change the rates of reactio...
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