or carbonate, using a Bunsen burner and a water bath or electric heater to evaporate the solution. Chemistry AT 2, 3, 4 and 6 4.7.3.3 When chemical reactions Distinguish between 1 Research everyday energy out simple Video clips: occur, energy is transferred exothermic and changes and industrial energy experiments that are to or from the surroundings. endothermic reactions changes. Suggest how the exothermic or YouTube: on the of the type of energy change links to endothermic, such as: Energy is conserved in temperature change of the use. chemical reactions. The total hydrochloric acid the surroundings. amount of energy in the WS 1.2 and sodium reaction mixture and its Evaluate uses and hydroxide Identify examples of surroundings at the end of a applications of hydrochloric acid exothermic and endothermic chemical reaction is the exothermic and and anhydrous reactions based on the same as it was at the start. endothermic reactions sodium carbonate temperature change of the given appropriate ethanoic acid and An exothermic reaction is reaction mixture. information. solid ammonium one that gives out energy. carbonate This heats up the reaction mixture. Energy then transfers to the surroundings
or carbonate, using a Bunsen burner and a water bath or electric heater to evaporate the solution. Chemistry AT 2, 3, 4 and 6 4.7.3.3 When chemical reactions occur, energy is transferred to or from the surroundings. Energy is conserved in chemical reactions. The total amount of energy in the reaction mixture and its surroundings at the end of a chemical reaction is the same as it was at the start. An exothermic reaction is one that gives out energy. This heats up the reaction mixture. Energy then transfers to the surroundings Distinguish between exothermic and endothermic reactions on the of the temperature change of the surroundings. Evaluate uses and applications of exothermic and endothermic reactions given appropriate information. 1 Research everyday energy changes and industrial energy changes. Suggest how the type of energy change links to the use. WS 1.2 Identify examples of exothermic and endothermic reactions based on the temperature change of the reaction mixture. out simple experiments that are exothermic or endothermic, such as: hydrochloric acid and sodium hydroxide hydrochloric acid and anhydrous sodium carbonate ethanoic acid and solid ammonium carbonate Video clips: YouTube:
AQA-8465-SOW-MAI.DOCX