Question
Asked Apr 12, 2019
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Given the standard enthalpy changes for the following two reactions:
(1) Sn(s) + Cl2(g)--SnCl2(s) AH。=-325.1 kJ
(2) Sn(s) + 2C12(g)--SnC14(1) ΔΗ。=-511.3 kJ
what is the standard enthalpy change for the reaction:
(3) SnCl2(s) + Cl2(g)--SnC14(1) ΔΗ: ?
kJ
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Given the standard enthalpy changes for the following two reactions: (1) Sn(s) + Cl2(g)--SnCl2(s) AH。=-325.1 kJ (2) Sn(s) + 2C12(g)--SnC14(1) ΔΗ。=-511.3 kJ what is the standard enthalpy change for the reaction: (3) SnCl2(s) + Cl2(g)--SnC14(1) ΔΗ: ? kJ

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Expert Answer

Step 1

Hess's law:

 

The enthalpy change of a reaction is equal to the sum of enthalpy changes in each step.

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Step 2

The standard enthalpy changes for the give...

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