Investigating Energy Changes in Reactions
Added by Sam Holyman on Dec 15, 2008
This activity aims to show that when physical and chemical reactions occur, energy changes are associated with them. Experiments engage students to recognise whether a reaction is chemical or physical and also to recognise whether a reaction is exothermic or endothermic from temperature graph data.
This item teaches:
- the definition of an exothermic reaction
- the determination of the energy change in a chemical reaction by measuring the temperature change of the reaction in an insulated container
- the distinction between chemical and physical changes
- the definition of an endothermic reaction
- To be able to recognise whether a reaction is chemical or physical
- To understand that when physical and chemical reactions occur, energy changes are associated with them
- To be able to recognise whether a reaction is exothermic or endothermic from temperature data
- To know the observations which lead to a reaction appearing to be exothermic
- Chemical Reactions
- Inorganic Chemistry
- Endothermic, Exothermic, Energy change, Physical reaction, Chemical reaction
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