2. NEXT

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5. NEXT

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7. NEXT

8. 15
20
25
5 10
Chemical
Reactions
Calculations
Organic
A&B
Electrochem
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10
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15
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Team OneTeam One
Team TwoTeam Two
Team ThreeTeam Three
Team FourTeam Four
Team FiveTeam Five
Team SixTeam Six0 0
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9. Show Answer

10. Back to Board

11. Show Answer

12. Back to Board

13. Show Answer
How many moles of a gas sample are
in a 20.0 L container at 373 K and 203
kPa? The gas constant is 8.31 L-
kPa/mol-K.

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15. Show Answer

16. Back to Board

17. Show Answer

18. Back to Board

19. Show Answer

20. Back to Board

21. Show Answer

22. Back to Board

23. Show Answer
In the process
92
235
U + 0
1
n  52
137
Te + 40
97
Zr + 20
1
n,
what can the two neutrons at the end do?

24. Back to Board

25. Show Answer

26. Back to Board

27. Show Answer

28. Back to Board

29. Calculations
Question for 5 Points
You dissolve 0.74 g of
potassium chloride (KCl) in
500 mL of water. What is the
molarity of the solution? Use
a periodic table. Show Answer

30. Calculations
Answer for 5 Points
0.02 M
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31. Calculations
Question for 10 Points
Show Answer
How much heat do
you need to raise
the temperature of
300 g of ethanol
from 0°C to 20°C?

32. Calculations
Answer for 10 Points
14.6 kJ
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33. Calculations
Question for 15 Points
Show Answer
If you have 10 grams of a substance that
decays with a half-life of 14 days, then how
much will you have after 42 days?

34. Calculations
Answer for 15 Points
1.25g
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35. Calculations
Question for 20 Points
For the transmutation
X + 2
4
He  6
12
C + 0
1
n, which
of the following is X?
Show Answer

36. Calculations
Answer for 20 Points
Back to Board

37. Calculations
Question for 25 Points
For the reaction of hydrogen gas with
iodine gas to make hydrogen iodide gas,
H2 + I2  2HI, you have the following
concentrations at equilibrium: [H2] =
4.5647 × 103
M, [I2] = 7.378 × 104
M, and
[HI] = 1.3544 × 102
M. What is the
equilibrium constant?
Show Answer

38. Calculations
Answer for 25 Points
54.47
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39. Organic
Question for 5 Points
What bonds does the compound
pictured below have?
Show Answer

40. Organic
Answer for 5 Points
C-C and C-H
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41. Organic
Question for 10 Points
Which of the following
functional groups defines a
carboxylic acid?
Show Answer

42. Organic
Answer for 10 Points
-COOH
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43. Organic
Question for 15 Points
Which type of bond links
amino acids together?
Show Answer

44. Organic
Answer for 15 Points
peptide bond
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45. Organic
Question for 20 Points
Show Answer
To which group of biochemicals do
steroids belong?

46. Organic
Answer for 20 Points
lipids
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47. Organic
Question for 25 Points
Show Answer
For the reaction
CH3COOH  CH3COO + H+
, what is the
conjugate base?

48. Organic
Answer for 25 Points
CH3COO- is a conjugate base
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49. Acids & Bases,
Electrochemistry
Question for 5 Points
Show Answer
Of the metals Pb, Mg, Au,
and Na, which will not
spontaneously donate
electrons to copper in
solution?

50. Acids & Bases,
Electrochemistry
Answer for 5 Points
0
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51. Acids & Bases,
Electrochemistry
Question for 10 Points
Which of the following is a
weak base?
Potassium hydroxide
Ammonia
Vinegar Show Answer

52. Acids & Bases,
Electrochemistry
Answer for 10 Points
ammonia
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53. Acids & Bases,
Electrochemistry
Question for 15 Points
Show Answer

54. Oxidation Numbers
Answer for 15 Points
solid Zn
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55. Oxidation Numbers
Question for 20 Points
A solution has a hydrogen
ion (or hydronium ion)
concentration of 3.16 ×
108
M. What is the pH of the
solution? Show Answer

56. Acids & Bases,
Electrochemistry
Answer for 20 Points
7.5
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57. Acids & Bases,
Electrochemistry
Question for 25 Points
Which of the following reactions occurs at
the cathode in a voltaic cell?
Show Answer

58. Acids & Bases,
Electrochemistry
Answer for 25 Points
C
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59. Show Question

60. “Big Points”
Question
A correctly written
thermochemical reaction needs
what 4 things?
Show Answer
302928272625242322212019181716151413121110987654321

61. Big Points
Answer for Big Points
1) Reactants & products
2) Phase symbols (s,l,g)
3) Balanced equations
4) Enthalpy
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62. Big Board Facts
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