ZIMSEC A-Level Chemistry
6.1.5.1Enthalpy changes
Enthalpy changes in ZIMSEC A-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic24 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 6.1.5.1.1Explain that chemical reactions are accompanied by energy changes, mostly as heat.
- 6.1.5.1.2Explain enthalpy changes and standard enthalpy changes of reaction, formation, combustion, neutralisation, hydration and solution, and the terms bond energy, lattice energy and electron affinity.
- 6.1.5.1.3Calculate enthalpy changes from experimental results with q = mcΔT, including thermometric titrations.
Lessons
- Full access
Enthalpy changes and calorimetry
40 min
Join to read every lesson, or see what Full access includes.
Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Enthalpy changes into a strength.
Practise with instant marking, see your mastery grow and get a study plan built around your exam date.