» How could a scientist determine on a molecular level whether a chemical reaction has occurred? A. They could see whether atoms have been rearranged. B. They could see whether molecules have been rearranged. C They could see whether the motion of molecules has accelerated. D. They could see whether the motion of atoms has accelerated.
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Compared with the freezing-point depression of a 0.01 m c6h12o6 solution, the freezing-point depression of a 0.01 m nacl solution is
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To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.
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State one important difference between a physical change and a chemical change?
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