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CHM 2045C: Spring Term 2008
Practice Final (Spring 1998's Test)
Module Two

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Module Two

Module 2 Test Masters:

Mary Alcott (maliceall@juno.com)

Juliana Allebach (Ruuufie@aol.com)

John Taylor (johtaylo@fscj.edu) [Template Author]


Question 1

How many significant digits are in the length measurement 0.100 meter?

a) 1
b) 2
c) 3
d) 4

Question 2

One gram of gold contains 3,060,000,000,000,000,000,000 atoms. Express this number of gold atoms in scientific notation.

a) 3.06 X 1020
b) 3.06 X 1021
c) 3.06 X 1022
d) 30.6 X 1020
e) 30.6 X 1021

Question 3

Add 5.0 X 104 to 2.0 X 103 and express the sum using calculator notation.

a) 1.0 EO3
b) 2.5 EO3
c) 2.5 EO4
d) 5.2 EO3
e) 5.2 EO4

Question 4

Which of the following terms is a unit of metric mass?

a) centimeter
b) gram
c) milliliter
d) second
e) none of the above

Question 5

Which of the following terms is a unit of metric volume?

a) centimeter
b) gram
c) milliliter
d) second
e) none of the above

Question 6

What is the symbol for the metric unit microliter?

a) cL
b) mL
c) ML
d) u L
e) none of the above

Question 7

What is the name corresponding to the metric symbol dg?

a) decagram
b) decigram
c) dekagram
d) demigram
e) none of the above

Question 8

According to the metric system, 1 m = 1000_____.

a) km
b) Mm
c) mm
d) nm

Question 9

What is the freezing point and boiling point of water on the Kelvin scale?

a) 0 K and 100 K
b) 0 K and 273 K
c) 100 K and 273 K
d) 100 K and 373 K
e) 273 K and 373 K

Question 10

Isopropyl alcohol ( rubbing alcohol ) freezes to a solid at -1290 F. What is the freezing point temperature on the Celsius scale?

a) -2900C
b) -2000C
c) -1030C
d) -900C
e) -540C

Question 11

Which of the following terms defines the amount of mass in a unit volume?

a) specific gravity
b) specific heat
c) temperature
d) density
e) kilogram

Question 12

Which of the following is the basic unit of mass in the metric system?

a) gram
b) liter
c) meter
d) second
e) none of the above

Question 13

A U.S. Patriot missile has a velocity of 1032 m/s (Mach 3). What is the velocity of the missile in miles per hour? (Given: 1 mi = 1.61 km and 1 h = 3600 s)

a) 178 mi/h
b) 461 mi/h
c) 2310 mi/h
d) 5910 mi/h
e) 2.31 X 106mi/h

Question 14

The average distance from the earth to the sun is 1.50 X 108kilometers. Express the distance in centimeters. (Given: 1km = 1000m, and 1m = 100cm)

a) 1.50 X 102cm
b) 1.5 X 107cm
c) 1.50 X 109cm
d) 1.50 X 1011cm
e) 1.50 X 1013cm

Question 15

Magnesium is one of the least dense elements ( d = 1.74 g/cm3). What is the volume of a 10.0 g sample of the metal?

a) 5.75 cm3
b) 10.0 cm3
c) 17.4 cm3
d) 57.5 cm3
e) 174 cm3





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Module 3: Atomic Theory & Periodic relationships



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