energy and the overall and products, the Use findings to energy change of a reaction. activation energy and construct a reactivity the overall energy series. Compare this to change, with a curved the actual reactivity arrow to show the series. energy as the reaction proceeds Use reaction profiles to identify reactions as exothermic or endothermic 4.7.4.5 (HT only) Calculate energy 1 Calculate the energy Research common bond Video clip changes in a chemical transferred in chemical energies and use these During a chemical reaction: YouTube: reaction by reactions. in calculation for simple energy must be supplied considering bond reactions. Extended writing: write to break bonds in the making and bond instructions to another student reactants breaking energies. how to calculate the energy energy is given out when transferred in a chemical bonds in the products are reaction. formed. Explain why a chemical The energy needed to break reaction is classed as bonds and the energy given exothermic or endothermic in
energy and the overall energy change of a reaction. and products, the activation energy and the overall energy change, with a curved arrow to show the energy as the reaction proceeds Use reaction profiles to identify reactions as exothermic or endothermic Use findings to construct a reactivity series. Compare this to the actual reactivity series. 4.7.4.5 (HT only) During a chemical reaction: energy must be supplied to break bonds in the reactants energy is given out when bonds in the products are formed. The energy needed to break bonds and the energy given Calculate energy changes in a chemical reaction by considering bond making and bond breaking energies. 1 Calculate the energy transferred in chemical reactions. Extended writing: write instructions to another student how to calculate the energy transferred in a chemical reaction. Explain why a chemical reaction is classed as exothermic or endothermic in Research common bond energies and use these in calculation for simple reactions. Video clip YouTube:
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