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03-20-2008, 11:41 AM
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| Chemistry help! Urgent!? When Zn is placed in HCl, the test tube became warm. The products of this reaction are zinc chloride and hydrogen gas. How does the chemical energy of the product compare with the chemical energy of the reactants? a)In this exothermic reaction, the chemical energy of the products must be less than the reactants b/c energy was lost as heat. b)In this endothermic reaction, chemical energy of products less than reactants b/c energy was lost as heat. c)In this exothermic reaction, chemical energy of products more than reactants b/c energy was lost as heat. d) In this endothermic reaction, chemical energy of products more than reactants b/c energy was lost as heat. THANKS SO MUCH FOR YOUR HELP!!      |
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