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Review guide answers!

Review guide answers!. Describing Matter. Physical Chemical Physical Physical Chemical Physical (Duh). 7. Both are pure substances and compounds are made of elements.

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Review guide answers!

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  1. Review guide answers!

  2. Describing Matter • Physical • Chemical • Physical • Physical • Chemical • Physical (Duh)

  3. 7. Both are pure substances and compounds are made of elements. 8. Mixtures are not chemically combined and do not have set ratios. Mixtures keep their properties while compounds get new properties.

  4. 9. C 10. G 11. E 12. A 13. J 14. D 15. I 16. B 17. H 18. F

  5. Measuring Matter • 3cm x 5cm x 10cm = 150cm3 • D= 180g/150cm3 = 1.2g/cm3 • Yes. No. The mass is constant while weight varies with gravity. • It is more dense than the water. • No, they could have different masses.

  6. 6. The amount of matter in an object. 7. The amount of space an object takes up. 8. The ratio of the amount of mass per unit of volume. 9. Volume cm3 or mL Mass g or kg Density g/mL and g/cm3

  7. Changes in Matter

  8. 6. Yes, Yes, No 7. False, Matter 8. True 9. True 10. True 11. False, Absorbed 12. False, Released

  9. Calculations • 8cm3 • 8cm3 • 1m3 • 4g/mL

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