3.1.4 Energetics,

Amsterdam University College (AUC)

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3.1.4 Energetics, A Level Chemistry, AQA questions with complete solutions.

3.1.4 Energetics, A Level Chemistry, AQA questions with complete solutions.
Tentamen (uitwerkingen) • 5 pagina's • 2024
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What is enthalpy change? - ANS.Heat energy transferred in a reaction at constant pressure What are standard conditions for enthalpy change? - ANS.100kPa and stated temperature (normally 25 degrees celcius) What values of deltaH do exothermic reactions have? - ANS.Negative (less than 0) What values of deltaH do endothermic reactions have? - ANS.Positive (more than 0) What do exothermic reactions do with energy? - ANS.Give out energy What do endothermic reactions do with energy? - ANS.Abs...