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During nuclear fission, great amounts of energy are produced from A. very small amounts of mass. B. tremendous amounts of mass. C. a series of chemical reactions. D. particle accelerators.
A. very small amounts of mass.
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User: During nuclear fission, great amounts of energy are produced from A. very small amounts of mass. B. tremendous amounts of mass. C. a series of chemical reactions. D. particle accelerators.

User: During nuclear fission, great amounts of energy are produced from A. very small amounts of mass. B. tremendous amounts of mass. C. a series of chemical reactions. D. particle accelerators.





Weegy: A. very small amounts of mass.
Expert answered|wisbest|Points 1371|



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Asked 7/9/2012 3:05:06 PM
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When magnesium carbonate, MgCO2, reacts with nitric acid, HNO3, it forms magnesium nitrate, Mg(NO3)2, and carbonic acid, H2CO3. Carbonic acid then breaks down into water and carbon dioxide. Which two types of reactions take place in this process? A. synthesis and decomposition B. single-replacement and combustion C. double-replacement and decomposition D. double-replacement and combustion
Weegy: C. double-replacement and decomposition User: For the chemical reaction C2H6 + 137 kJ ? C2H4 + H2, the chemical energy of the A. reactant is greater than the chemical energy of the products. B. products is greater than the chemical energy of the reactant. C. reactant and the chemical energy of the products are equal. D. reaction is conserved. Weegy: B. [ products is greater than the chemical energy of the reactant. moles = mass / molar mass moles HBr = 186 g / 80.908 g/mol = 2.3 moles TRUE C2H6 + 137 kJ - - -> C2H4 + H2 You can see that the energy (137 kJ) is on the reactant side of the equation. So you have to put energy into the reaction to to form the prodicts. Therefore the products must have a higher energy then the reactants = B ] (More)
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Asked 7/2/2012 12:53:37 PM
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For the chemical reaction C2H6 + 137 kJ ? C2H4 + H2, the chemical energy of the A. reactant is greater than the chemical energy of the products. B. products is greater than the chemical energy of the reactant. C. reactant and the chemical energy of the products are equal. D. reaction is conserved.
Weegy: B rasing temp is equivalent to adding heat and by La Chat rnx shifts to right User: For the chemical reaction C2H6 + 137 kJ ? C2H4 + H2, the chemical energy of the A. reactant is greater than the chemical energy of the products. B. products is greater than the chemical energy of the reactant. C. reactant and the chemical energy of the products are equal. D. reaction is conserved. Weegy: D. reaction is conserved. (More)
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Expert Answered
Asked 7/2/2012 1:26:21 PM
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