CHM151 Module 1 Exam Questions and Answers Fully Solved Graded A+

CHM151 Module 1 Exam Questions and Answers Fully Solved Graded A+

Which one of the following is the highest temperature?

Select one:

a. 96°F

b. 38°C

c. 302 K

d. none of the above

e. the freezing point of water - Answers B

Which one of the following is not an intensive property?

Select one:

a. mass

b. density

c. boiling point

d. temperature

e. melting point - Answers A

You have to calculate the volume of a gas sample with mass of 1.000 × 10^3 g and density of 1.027 g/L ,
but you have forgotten the formula. Which way of reasoning would help you in finding the correct
mass?

Select one:

a. If 1.027 L of gas has a mass of 1 g, then _____ L has the mass of 1.000 × 10^3 g.

b. If 1.027 g of a gas takes up a volume of 1 L, then 1.000 × 10^3 g of the same gas takes up a volume of
_____. - Answers B

Which of the following liquids has the greatest density?

Select one:

a. 0.022 cm^3 with a mass of 0.10 g

b. 210 cm^3 with a mass of 12 g

c. 3.5 cm^3 with a mass of 10 g

, d. 13 cm^3 with a mass of 23 g

e. 54 cm^3 with a mass of 45 g - Answers A

Which of the following is (are) the lowest temperature?

Select one:

a. The freezing point of water

b. 280 K

c. 5°C

d. 30°F

e. A and D - Answers D

One angstrom, symbolized Å, is 10^-10 m. 1 cm^3 = __________ Å^3



Select one:

a. 10^-9

b. 10^30

c. 10^-30

d. 10^-24

e. 10^24 - Answers E

Round the number 3456.5 to two significant figures.

Select one:

a. 3000

b. 3400

c. 3000.0

d. 3500

e. 3400.0 - Answers D

Iron has a density of 7.9 g/cm3. What is the mass of a cube of iron with the length of one side equal to
55.0 mm?