CHEM 1110 Final Exam Review with Questions and Answers
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Course
CHEM 1110
Institution
CHEM 1110
CHEM 1110 Final Exam Review with Questions and Answers
Air occupies space and has mass, therefore it is
a. Energy
b. Dense
c. Colored
d. Matter ANSWER d
Which of the following represents a physical change in matter
a. A substance solidifies at 443
b. A substance produces a gas when heat...
CHEM 1110 Final Exam Review with Questions and Answers
Air occupies space and has mass, therefore it is
a. Energy
b. Dense
c. Colored
d. Matter ANSWER d
Which of the following represents a physical change in matter
a. A substance solidifies at 443
b. A substance produces a gas when heated
c. A substance burns when heated
d. A substance changes color when exposed to air ANSWER a
Which of the following terms correctly applies to a molecule of CO2
a. Triatomic, heteroatomic
b. Polyatomic, diatomic
c. Triatomic, homoatomic
d. Diatomic, heteroatomic ANSWER a
Which of the following would NOT be classified as a compound
a. NaCl
b. Cl2
c. CCl4
d. No correct anser ANSWER b A solution can NOT be classified as a a. Heterogeneous mixture
b. Homogeneous mixture
c. Pure substance
d. More than one choice is correct ANSWER d
Your friend has a mass of 85,400 g. What is his mass in kg?
a. 8540.0
b. 854.00
c. 85.400
d. 8.5400 ANSWER c
What is the exponent on the 10 when 0.000241 is correctly notation
a. -5
b. -4
c. -3
d. -2 ANSWER b
(6.15 x 10^15) x (1.41 x 10^-3)
Do the calculation above and express the answer using correct scientific notation
a. 8.67 x 10^18
b. 8.67 x 10^15
c. 8.67 x 10^12
d. 8.67 x 10^11 ANSWER c
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