Problem: Consider the two diagrams below.Based on (i), write an equation showing how HA is related to HB and HC.

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The chart shows the enthalpy (H) change A, B and C.


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Problem Details

Consider the two diagrams below.
(i) A is the increase in enthalpy from an initial low state to a high state in one step. B is an increase from the initial low state to an intermediate state, followed by C, which increases from that intermediate state to the final high state. (ii) X is the increase in enthalpy from an initial low state to a high state in one step. Y is a decrease in enthalpy from that high state to an intermediate state; Z is an increase from the initial state to that same intermediate state.

Based on (i), write an equation showing how HA is related to HB and HC.

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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 Enthalpy of Formation concept. You can view video lessons to learn Enthalpy of Formation. Or if you need more Enthalpy of Formation practice, you can also practice Enthalpy of Formation practice problems.

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