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Endothermic and Exothermic reactions

Mock exams for science – chemistry and biology 16 th January 2014 Thursday afternoon. If you want to pass , you MUST work in class AND study at home. Endothermic and Exothermic reactions. Bonds. Breaking bonds uses energy Making bonds releases energy. Endothermic reactions.

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Endothermic and Exothermic reactions

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  1. Mock exams for science – chemistry and biology16th January 2014 Thursday afternoon.If you want to pass, you MUST work in class AND study at home.

  2. Endothermic and Exothermic reactions

  3. Bonds Breaking bonds uses energy Making bonds releases energy

  4. Endothermic reactions

  5. Exothermic reactions

  6. Note – complete the note on endo and exothermic reactions

  7. Note – energy diagrams and questions • Complete the questions in sentences using the hand out sheets to help you. • You must read the sheets fully before you attempt the questions. • Complete the energy diagram • Stick both into your books EXENSION: collect the card and arrange them under two headings: exothermic and endothermic. Decide which statement would go best under which heading.

  8. Plenary • Write the numbers 1-10 in your book. Decide if each of the ten statements are endothermic or exothermic reactions.

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