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United StatesChemistryQuick questions
Unit 6: Thermodynamics
Quick questions on Hess's law - AP Chemistry Unit 6
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
A reaction with is reversed and halved in a Hess's law sum. State its contribution to the total. [2 points]
What is q2?Show answer
Explain why Hess's law lets us find the enthalpy of a reaction that is hard to measure directly. [2 points]
What are not cancelling intermediates?Show answer
After manipulating, the intermediate species must cancel so that only the target reactants and products remain.
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