Chemistry

Chemistry, 28.07.2019 12:30, hamilclips1748

How does hess's law use intermediate reactions to calculate the enthalpy of a desired reaction?

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Chemistry, 22.07.2019 01:00, dennisedemirovic20

Which is a correct description of the enthalpy of a reaction? a.the enthalpy of a reaction is the same as each intermediate reaction. b.the enthalpy of a reaction does not depend on the intermediate reactions. c.the enthalpy of a reaction depends on the intermediate reactions. d.the enthalpy of a reaction is always positive.

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Chemistry, 28.07.2019 09:00, justsuz72p71a21

If you need to reverse the following reaction and multiply it by 2 in order for it to be an intermediate reaction in a hess's law problem, what would be the final value for the enthalpy of reaction you use for this intermediate reaction? h2 + 0.5 o2 h2o, h = -286 kj

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Chemistry, 22.09.2019 21:30, philliple481

If you need to reverse the following reaction and multiply it by 2 in order for it to be an intermediate reaction in a hess's law problem, what would be the final value for the enthalpy of reaction you use for this intermediate reaction? c2h4 + 3 o2 2 co2 + 2 h2o, h = -1410 kj

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Chemistry, 29.09.2019 13:10, Kingmoney959

According to hess’s law, if a series of intermediate reactions are combined, the enthalpy change of the overall reaction is the difference between the enthalpies of the intermediate reactions. the sum of the enthalpy changes of the intermediate reactions. the product of the enthalpy changes of the intermediate reactions. the fraction of the individual enthalpies of the intermediate reactions.

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