Quick questions on Chemical energy: enthalpy, calorimetry and Hess's law - SQA Higher Chemistry

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?

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200 \text{ cm}^3

of water rises by

5.0 \,^{\circ}\text{C}

. Calculate the energy released. [2 marks]

What is q2?

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State Hess's law. [1 mark]

What is q3?

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Burning

0.50 \text{ g}

of propanol (

GFM = 60.0 \text{ g}

) heats

200 \text{ cm}^3

of water by

9.0 \,^{\circ}\text{C}

. Calculate the enthalpy of combustion. [3 marks]

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