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Calculate the equivalent weights for the following salt Na2CO3,
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The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.
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Why is it incorrect to balance a chemical equation by changing the subscripts? explain.
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Calculate the equivalent weights for the following salt Na2CO3, ...
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