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Chemistry, 22.06.2019 20:00
Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.
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Chemistry, 23.06.2019 05:40
Why is it incorrect to balance a chemical equation by changing the subscripts? explain.
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Chemistry, 23.06.2019 13:20
Aluminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. how many grams of aluminum sulfate would be formed if 250 g h 2 so 4 completely reacted with aluminum? 2al( s ) + 3h 2 so 4 ( aq ) ? al 2 (so 4 ) 3 ( aq ) + 3h 2 ( g )
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Chemistry, 23.06.2019 14:00
Which is not true regarding reaction rates? (2 points) catalysts are not used up in the reaction. catalysts speed up reactions by lowering the activation energy. reaction rates decrease as the concentration of reactants decrease. during reactions, concentrations of all reactants decrease at the same rate.
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