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EnglandChemistryQuick questions

Module 3: Periodic table and energy (3.2.1 Enthalpy changes)

Quick questions on Enthalpy Changes (3.2.1) - OCR A-Level Chemistry A

2short 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?
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State what is meant by the standard enthalpy of formation of a compound. [2 marks]
What is q2?
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Calculate qq when 200 g200\ \text{g} of water rises by 12.0 C12.0\ ^{\circ}\text{C}. [1 mark]

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