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Science: Exothermic and Endothermic Reactions
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Science: Exothermic and Endothermic Reactions
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25 Questions

1. 2Mg + O₂ → 2MgO + HEAT

2. Energy

3. Evaporation

4. Energy units

5. Reactant

6. Dry ice forming 'fog' at a Halloween party

7. Baking soda and vinegar reaction

8. The light from a glow stick

9. Matter

10. Condensation on the outside of a cold drink

11. Boiling water

12. Bonds are broken

13. Examples of exothermic reactions

14. Air activated hand warmers

15. Baking a cake

16. ∆H= positive

17. Glow from bioluminescent organisms such as fireflies

18. ∆H= negative

19. The first law of thermodynamics states that

20. Heat always flows from an object at a _______ temperature to an object at a _________ temperature

21. Cellular respiration

22. If a reversible reaction is exothermic in one direction...

23. Endothermic

24. Everyday uses of exothermic reactions

25. According to reference table I, the reaction below is an_______| 2CO(g) + O₂(g) →2C0₂(g) | ∆H= -566 KJ

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