Answers To 2011-2012 Review HW For Mass, Sig Fig And Lab Safety Test

ChemistryWiki | RecentChanges | Preferences

Part I

1. density, speed, etc
2. mass, volume, et
3. rust, corrosive
4. chemical is about grouping not how many groups
5. 2 or more elements chemically combined in a fixed mass ratio
6. separation technique, charateristics, composition
7. homogeneous mixture only needs to be uniform through a single container not between container whereas cpds are constant in both.
8. Applied
9. Hypothesis
10. Controlled
11. Laws are theories that have been greatly testing including in all places. Law just states but theory states and tells why.
12. permanent color change, temp change, precipitate formed, and gas formed (odor).
13. precipitate
14. Law of Conservation of Mass, Energy, Kinetic Molecular (KMT), and Coulombic force
15. All substance are composed of particles that are in constant motion and sometimes interact.
16. kg
17. Discuss in class
18. Kelvin
19. mol
20. Ion(s)
21. Condense, Intermolecular Force (IMF)
22. Particle have enough energy to overcome their IMF and can go anywhere



For 2019-2020 Answers
13) 3.4050E-5cm (3.4050X10-5cm)
14) 3.095E7 ft
15) 3.0E2g
16) 3E2 g and 3.00E2 g

Part II
1. 5
2. e.g. 4.05g
3. 2
4. Precision
5. What math are you doing in final step?
6. 17.18 s = 17.2 s
7. 190L = 200L
8. 202.6 cm2 = 203 cm2
9. 307 m3 = 3.1E2 m3 or 310 m3
10. 37.45cm/s = 37.5 cm/s
11. 4.657 L/min = 4.66 L/min
12. 2.722E8 cm3 = 2.72E8 cm3

For 2019-2020 Answers
13) 3.4050E-5cm (3.4050X10-5cm)
14) 3.095E7 ft
15) 3.0E2g
16) 3E2 g and 3.00E2 g


ChemistryWiki | RecentChanges | Preferences
Edit text of this page | View other revisions
Last edited September 13, 2019 11:16 am (diff)
Search: