Problem: Write reactions for which the enthalpy change will bed. ΔHf° for gaseous vinyl chloride, C2H3Cl(g).

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We’re being asked to determine the ΔHf° for gaseous vinyl chloride, C2H3Cl(g).


Recall that the standard enthalpy of formation (ΔH˚f) refers to the enthalpy change for the formation of 1 mole of a compound from its elements in their standard states.


This means for C2H3Cl, the reaction involves the formation of 1 mole of C2H3Cl from H, C, and Cl in their standard states

In their standard states, C exists as a solid, C(s), while H and Cl exist as a diatomic gas, H2(g) and Cl2(g).


The unbalanced reaction is:

C(s) + H2(s) + Cl2(g)  C2H3Cl (g)


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Problem Details

Write reactions for which the enthalpy change will be

d. ΔHf° for gaseous vinyl chloride, C2H3Cl(g).

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Formation Equations concept. You can view video lessons to learn Formation Equations. Or if you need more Formation Equations practice, you can also practice Formation Equations practice problems.

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Based on our data, we think this problem is relevant for Professor Poehlmann's class at STANFORD.

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Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl Atoms 1st 2nd Edition practice problems.