S4 · UCE Chemistry · Term 2
Energy Changes during Chemical Reactions
10 practice questions in the Elaarn app, marked line by line like the exam.
Installed it? Come back and tap Open in Elaarn.
What you practise
- Exothermic and endothermic reactions
- Enthalpy change (ΔH) and energy diagrams
- Measuring heat changes (Q = mcΔT)
- Heat of combustion and choice of fuels
Lower secondary · S4 · Chemistry · Thermochemistry. Elaarn covers every class from P1 to S6. About Elaarn