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Energy in Chemical Reactions |
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Matter, Mixture & Solutions 1. Define a pure substance. 2. List the 3 states of matter that a pure substance can exist in. 3. Define mixture. 4. List and Describe the two types of Mixtures. 5. Describe how 3 of the 4 phases of matter behave in a container. 6. Mixtures are substances
held together by ________________ ____________, not chemical.
The fundamental chemical structure _____ _____ change when they
enter the mixture. 7. Anything you can ____________ is a mixture. 8. __________________are also mixtures. 9. In a _____________ each of the substances can be separated from the group in different physical ways. Take the "Mixture Quiz" 10. How are solutions different from other mixtures? 11. What is a solute? 12. What is a solvent? 13. Read "Making solutions" . Describe how the solute and solvent interact with each other. Take the "Solutions Quiz".
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Exothermic and Endothermic Reactions 14. When a chemical reaction happens, ___________________is transferred to or from the surroundings. 15. What are exothermic reactions? 16. What are endothermic reactions? |