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Energetics

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Question 9

Which equation represents the process that occurs when the standard enthalpy of atomisation of iodine is measured?

A

I2(s)→2I(g)\text{I}_2(\text{s}) \rightarrow 2\text{I}(\text{g})I2​(s)→2I(g)

B

12I2(l)→I(g)\frac{1}{2}\text{I}_2(\text{l}) \rightarrow \text{I}(\text{g})21​I2​(l)→I(g)

C

12I2(s)→I(g)\frac{1}{2}\text{I}_2(\text{s}) \rightarrow \text{I}(\text{g})21​I2​(s)→I(g)

D

12I2(g)→I(g)\frac{1}{2}\text{I}_2(\text{g}) \rightarrow \text{I}(\text{g})21​I2​(g)→I(g)

Markscheme

Energetics Questions

  1. A Level
  2. /Chemistry
  3. /Energetics

34 exam-style questions on AQA A Level Chemistry Energetics, covering Enthalpy change, Calorimetry, Applications of Hess's law, and Bond enthalpies. Each one has a worked solution and a mark scheme showing where the marks go.

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