CHEM 111 Exam 1 Review Practice Exam 61 Questions with Verified Answers,100% CORRECT
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Course
CHEM 111
Institution
CHEM 111
CHEM 111 Exam 1 Review Practice Exam 61 Questions with Verified Answers
What is the wavelength in meters of green light with a frequency of 5.75 × 1014 s−1?
(a) 5.22 × 10−7 m
(b) 1.92 × 106 m
(c) 1.92 × 108 m
(d) 1.73 × 1023 m - CORRECT ANSWER (a) 5.22 × 10−7 m
What is the...
Convert 25.0 mL to liters.
(a) 25,000 L
(b) 0.250 L
(c) 0.025 L
(d) 0.00250 L - CORRECT ANSWER (c) 0.025 L
Convert 5253 mg to kg.
, (a) 5.253 × 106 kg
(b) 5.253 × 103 kg
(c) 5.253 kg
(d) 5.253 × 10−3 kg
(e) 5.253 × 10−6 kg - CORRECT ANSWER (d) 5.253 × 10−3 kg
Which of the following measurements represents a mass?
(a) 100.0oC
(b) 2.18 g
(c) 25.0 mL
(d) 186 cm - CORRECT ANSWER (b) 2.18 g
Which of the following measurements represents a volume?
(a) 250 mL
(b) 7.12 g
(c) 53.5oC
(d) 186 mm - CORRECT ANSWER (a) 250 mL
Which of the following has the largest density?
(a) A 1-g object with a volume of 10 mL.
(b) A 10-g object with a volume of 1 mL.
(c) A 200-g object with a volume of 200 mL.
(d) A 10-g object with a volume of 10 mL.
(e) The densities of all the above objects are the same - CORRECT ANSWER (b) A
10-g object with a volume of 1 mL.
What is the answer to this addition problem to the correct number of significant
figures?
12.01 mL + 3.2 mL + 6 mL =
(a) 21.21 mL
(b) 21.2 mL
(c) 21 mL
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