TRUE OR FALSE?
13. A catalyst is a substance that changes the rate of a chemical reaction by providing an
alternate pathway, lowering the activation energy.
14. Concentration tells us how much solute there is in a solution.
_ 15. Biochemical laboratories make use of liquid nitrogen as a cryogenic freezer in
preserving laboratory sample and specimens.
13. A catalyst is a substance that changes the rate of a chemical reaction by providing an
alternate pathway, lowering the activation energy.
14. Concentration tells us how much solute there is in a solution.
_ 15. Biochemical laboratories make use of liquid nitrogen as a cryogenic freezer in
preserving laboratory sample and specimens.
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