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The law of conservation of energy states that energy cannot be created or destroyed. Which of the following is true in an exothermic reaction?
a. Heat plus the chemical energy of the reactants is converted into the chemical energy of the products.
b. The chemical energy of the reactants is converted into heat plus the chemical energy of the products.
c. The total amount of energy before the reaction is greater than the total amount of energy after the reaction.
d. The total amount of energy before the reaction is less than the total amount of energy after the reaction.
Answers: 1
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8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
Answers: 3
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16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
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Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n
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SOME PLEASE HELP
The law of conservation of energy states that energy cannot be created or destroye...
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