Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54...
-
Upload
charles-briggs -
Category
Documents
-
view
221 -
download
2
Transcript of Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54...
![Page 1: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/1.jpg)
Chapters 2 and 3Review
Worksheet
Chapters 2 and 3Review
Worksheet
![Page 2: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/2.jpg)
Problem 1:First find the volume:
V = ℓwh
V = (3.54 yd)(6.39 yd)(11.8 yd)
V = 267 yd3
![Page 3: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/3.jpg)
Problem 1 (continued):Problem 1 (continued):Convert the answer (267 yd3) to nm3
1027 nm3
1 m3
1 m3
1.3079 yd3
267 yd3
= 2.04 x 1029 nm3
![Page 4: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/4.jpg)
Problem 2:
Convert 9.04 x 108 in3 to Tm3
Tm311042 cm3
9.04 x 108
1
cm3
in3
16.4 in3
= 1.48 x 1048 Tm3
![Page 5: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/5.jpg)
Problem 3:Problem 3:Convert 947,200 m3 to mi3
1mi3
1.47 x 1011 ft3
1ft3
1728in3
1in3
= 2.274 x 1022 mi3
cm316.4
1 cm3
m31012
947,200m3
![Page 6: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/6.jpg)
Problem 4:
D = m/V
D = (5.36 kg)/(640 mL)
D = 0.0084 kg/mL
![Page 7: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/7.jpg)
Problem 5:
First convert 453 hm3 to mL
mL11 cm3
453
1
cm3
hm3
1012 hm3
= 4.53 x 1014 mL
then....................
![Page 8: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/8.jpg)
Problem 5: (continued)Now find the volume:
D = m/V so M=DV
M = (0.537 g/mL) (4.53 x 1014 mL)
M = 2.43 x 1014 g
![Page 9: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/9.jpg)
Problem 6:Problem 6: 1 calorie = 4.184 J
4.184 J1 cal
135 cal= 565 J
Problem 7:Problem 7:
![Page 10: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/10.jpg)
Problem 8:
cal1
4.184 J
1.94 x 1014
1J
MJ106 MJ
= 4.64 x 109 cal
![Page 11: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/11.jpg)
Problem 9:
Kelvin = Celsius + 273
Kelvin = 43 + 273
Kelvin = 230 K
![Page 12: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/12.jpg)
Problem 10:
Kelvin = Celsius + 273
293 K = Celsius + 273
293 K 273 = Celsius
20 C = Celsius
![Page 13: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/13.jpg)
Problem 11:
Problem 11:
(i) chemical change
(ii) chemical property
(iii) physical change
(iv) physical property
![Page 14: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/14.jpg)
12. During electrolysis, an electric current is passed through a substance. If the substance is a compound, it may be broken down into the separate elements that form it.
13. filtration14. distillation, crystallization, and chromatography
15. kinetic, radiant, and potential
![Page 15: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/15.jpg)
16. solid, liquid, gas, and plasma
17. chemical, electrical, and gravitational
18. Dalton, schoolteacher
19. Democritus, philosopher
20. scanning tunneling microscope
21. Faraday, chemist
![Page 16: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/16.jpg)
22. “elektron” is the Greek word for amber (fossilized tree sap which when rubbed with cloth would attract dust and other particles – static electricity)23. Ben Franklin, He flew a kite with a key on its string during a thunderstorm.
24. J.J. Thomson, physicist, He discovered electrons.
![Page 17: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/17.jpg)
25. Henri Becquerel, physicist
26. Ernest Rutherford, scientist, He discovered the nucleus (positively charged)27. The plum-pudding model states that negative charges are distributed evenly throughout an atom’s positively-charged interior. Rutherford found that the positive charges were centrally located in a core.
![Page 18: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/18.jpg)
28. number of protons = atomic number
29. mass number = protons + neutrons
30. Average atomic mass is a weighted average of all of the isotopes of an element. Multiply the abundance percentage by the mass number for all the isotopes and add them together.
![Page 19: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/19.jpg)
Problem 31:
Problem 31:
(i) 194Os+4 P = 76, N = 118, E = 72
(ii) 116In+3 P = 49, N = 67, E = 46
(iii) 129Te2 P = 52, N = 77, E = 54
(iv) 227Ra P = 88, N = 139, E = 88
![Page 20: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/20.jpg)
Problem 32:
Problem 32:
(i) 97Mo+6
(ii) 33P3
(iii) 244Pu+5
![Page 21: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/21.jpg)
Problem 33:
Average Atomic Mass =
51(.9975) + 50(.0025)
Average Atomic Mass = 50.9975
![Page 22: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/22.jpg)
Problem 34:
Average Atomic Mass =
90(.5145)91(.1122)92(.1715)94(.1738)96(.0280)
Average Atomic Mass = 91.3184
+______________
![Page 23: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/23.jpg)
Problem 35:
Problem 35:
Ga-69
Ga-71
Abundance = x
69x + 71(1 x) = 69.72Abundance = 1 x
69x + 71 71x = 69.72 2x = 1.28x = 0.64
Ga-69 = 64%Ga-71 = 36%
![Page 24: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/24.jpg)
Problem 36:
Problem 36:
K-39
K-41
Abundance = x
39x + 41(1 x) = 39.0983Abundance = 1 x
39x + 41 41x = 39.0983 2x = 1.9017x = .95085
K-39 = 95.085%K-41 = 4.915%
![Page 25: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/25.jpg)
37. 217Rn 42He + 213Po
38. 138Cs 0–1e + 138Ba
39. 17F 01e + 17O
40. 7Be + 0–1e 7Li
41. 212At 42He + 208Bi
42. 117Ag 0–1e + 117Cd
![Page 26: Chapters 2 and 3 Review Worksheet. Problem 1: First find the volume: V = ℓ w h V = (3.54 yd)(6.39 yd)(11.8 yd) V = 267 yd 3.](https://reader038.fdocuments.in/reader038/viewer/2022103006/56649f355503460f94c52ab8/html5/thumbnails/26.jpg)
43. Ba yellow-green
44. Co not visible
45. K violet
46. Cu turquoise-green
47. Na yellow
48. Sr red 49. Ca orange-red