Study Guide – Matter—Properties and Changes
Study Guide – Matter—Properties and Changes
Section 1 Properties of Matter
1. mass
2. substance
3. properties
4. Physical
5. density
6. chemical
7. physical
8. chemical
9. chemical
10. physical
11. physical
12. chemical
13. physical
14. physical
15. physical
16. physical
17. physical
18. gas
19. solid
20. liquid
21. true
22. false
23. true
24. false
25. false
26. false
27. false
28. false
Section 2 Changes in Matter
1. boil
2. freeze
3. condense
4. vaporize
5. melt
6. grind
7. crumple
8. crush
9. explode
10. rust
11. oxidize
12. corrode
13. tarnish
14. ferment
15. burn
16. rot
17. c
18. a
19. d
20. e
21. b
22. Masswater ’ Masshydrogen + Massoxygen; 178.8 g water ’ 20.0 g hydrogen + Massoxygen; Massoxygen ’ 178.8 g ( 20.0 g; Massoxygen ’ 158.8 g
Section 3 Mixtures of Matter
1. mixtures
2. water
3. heterogeneous
4. sand-water mixture
5. solutions
6. salt-water mixture
7. b
8. c
9. d
10. a
Section 4 Elements and Compounds
1. c
2. b
3. d
4. c
5. d
6. b
7. element
8. compound
9. element
10. element
11. compound
12. Ne
13. Ca
14. Fe
15. Ti
16. F
17. 8.4 g carbon/20.0 g sucrose × 100% ’ 42.00% carbon
18. 51.50% oxygen ’ Massoxygen/20.0 g sucrose × 100%; 51.50% oxygen × 20.0 g sucrose/100% ’ Massoxygen ’ 10.3 g
19. 6.50%; because the mass percentage is consistent regardless of the amount of sucrose
20. They are the same compound.
21. They are not the same compound.
22. 8 g O/1g H
23. 16 g O/1g H
24. The mass ratio of oxygen to hydrogen in H2O2 is two times the mass ratio of oxygen to hydrogen in H2O. This follows the law of multiple proportions.
25. No; they have different proportions of hydrogen and oxygen.
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