chm 1025, spring 2017, exam 4 review packet name: date: 1… · · 2017-04-07if you are given 50...
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CHM 1025, Spring 2017, Exam 4 Review Packet
Name: _____________________________________ Date: _________________
1. What are the bond angles for the molecule SiCl4
a. 180
b. 109.5
c. 120
d. 60
e. 360
2. In the balanced equation of hydrobromic acid and calcium hydroxide, what is the
summation of the coefficients in the reaction?
a. 2
b. 3
c. 4
d. 5
e. 6
3. If you have a 50mL of a 4M solution of HCl, what volume would you need to create a
solution of 9M?
a. 5 mL
b. 15 mL
c. 22 mL
d. 30 mL
e. 100 mL
CHM 1025, Spring 2017, Exam 4 Review Packet
4. Which of the following is a weak monoprotic acid?
a. HNO3
b. HBr
c. H2SO3
d. HClO4
e. HF
5. Which of the following molecules will be polar?
a. H2
b. CH4
c. CCl4
d. CO2
e. H2O
6. Which of the following bonds is most polar?
a. CO
b. CN
c. CF
d. SiN
e. SiP
CHM 1025, Spring 2017, Exam 4 Review Packet
7. What is the (m/m) concentration of 0.5 moles of NaCl in 20mL of water?
a. 04%
b. 20%
c. 48%
d. 59%
e. 11%
8. If you have a 25 mL of a 5M solution of HCl, how many moles are in the solution after
you change the volume to 50 mL?
a. 0.5
b. 0.125
c. 0.25
d. 1
e. 0.75
9. What volume of 3M NaOH would you need to titrate .5L of 5M HCl?
a. 0.56 L
b. 0.11 L
c. 0.73 L
d. 0.83 L
e. 0.13 L
CHM 1025, Spring 2017, Exam 4 Review Packet
10. Which of the following is a weak electrolyte?
a. HF
b. H2SO4
c. NaOH
d. HCl
e. NaCl
11. How many grams of KCl are needed to make 300mL of a 4M solution?
a. 91.2
b. 89.5
c. 35.6
d. 61.9
e. 80.5
12. If you are given 50 mL of 1.35 M HCl and 75 mL of 1.5 M NaOH, what is the maximum
amount of NaCl that can be produced?
a. 1.23 g
b. 3.94 g
c. 6.89 g
d. 8.12 g
e. 9.08 g
CHM 1025, Spring 2017, Exam 4 Review Packet
13. If your conjugate base is HCO3-, what is the acid from this reaction?
a. H2CO4
b. H2O
c. HCO
d. H2CO3
e. CO32-
14. Determine the functional groups in the following molecule.
15. Which of the following functional group does not require oxygen?
a. Alcohol
b. Ketone
c. Amide
d. Alkane
e. Ester
CHM 1025, Spring 2017, Exam 4 Review Packet
16. Draw out the molecule NF3 and determine if the molecule is polar or non-polar, as well
as the molecular geometry.
17. Using the solubility graph would a solution of 25g of KClO3 in 100ml of water at 55 C
be saturated or unsaturated?
a. Saturated
b. Unsaturated
CHM 1025, Spring 2017, Exam 4 Review Packet
18. Using the solubility graph, for which of the following would you not be able to dissolve
30g of salt in 100ml of water at 20 C?
a. NaNO3
b. CaCl2
c. NaCl
d. K2Cr2O7
e. Pb(NO3)2
19. Carbonic acid is supplied from the chemical companies as an 87% (m/m) solution in
water with a solution density of 1.560 g/mL. What is the concentration of the acid in
units of molarity?
a. 10.4 M
b. 13.7 M
c. 21.8 M
d. 28.6 M
e. 32.3 M
20. Determine the highest attractive force in the following compounds.
LiBr H2O C5H12
a. H-Bond, Dispersion, Ionic
b. Ionic, Polar, Dispersion
c. Polar, H-Bond, Dispersion
d. Ionic, H-Bond, Dispersion
e. Dispersion, Polar, H-Bond
CHM 1025, Spring 2017, Exam 4 Review Packet
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