CHEM 101 Midterm Exam Ivy Tech
CHEM 101 MIDTERM EXAM IVY TECH NEWEST ACTUAL EXAM COMPLETE
100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW VERSION!!
What is chemistry?
Chemistry is the science that tries to understand how matter behaves by studying
how atoms and molecules behave.
Determine the answer to the following equation with correct number of
significant figures:
2.02+8.102-0.0297 =
a. 10.0923
b. 10.09
c. 10.1
d. 10.092
e. none of the above
B
Which of the following would NOT be considered a correct conversion factor?
a. 1 dozen eggs = 12 eggs
b. 12 eggs = 1 dozen eggs
c. 1 pair of shoes = 1 shoe
d. 100 pennies = 1 dollar
e. 5 cents = 1 nickel
C
The correct number of significant figures in the number 0.002320 is:
a. 7
1|Page
, CHEM 101 Midterm Exam Ivy Tech
b. 4
c. 3
d. ambiguous
e. none of the above
A
In the number 48.93, which digit is estimated?
a. 4
b. 8
c. 9
d. 3
e. none of the above
D
There are exactly 2.54 cm in 1 in. When using this conversion factor, how many
significant figures are you limited to?
a. 1
b. 3
c. Ambiguous
d. depends on if you are using it in multiplication/division or addition/subtraction
e. infinite number of significant figures
E
The wavelength of blue light is 0.00000045 m. Express this wavelength in scientific
notation.
a. 4.5 x 10-6 m
b. 4.5 x 106 m
c. 4.5 x 10-7 m
d. 4.5 x 107 m
e. 0.45 x 10-7 m
2|Page
, CHEM 101 Midterm Exam Ivy Tech
C
How many significant digits should be reported in the answer to the following
question?
(4.3-3.7) x 12.3 =
a. 1
b. 2
c. 3
d. 4
e. none of the above
A
A plastic block has dimensions of 2.2 cm x 3.0 cm x 1.5 cm and a mass of 12.4
grams. Will the block float in water and why?
a. Yes because the density of the block is 1.3 g/mL which is less dense than the
density of water.
b. Yes because the density of the block is 0.80g/mL which is less than the density
of water.
c. No because the density of the block is 1.3g/mL which is greater than the density
of water.
d. No because the density of the block is 0.80g/mL which is greater than the
density of water.
e. None of the above.
C
The correct scientific notation for the number 0.00050210 is:
a. 5.0210 x 104
b. 5.021 x 10-4
c. 5.021 x 104
3|Page
CHEM 101 MIDTERM EXAM IVY TECH NEWEST ACTUAL EXAM COMPLETE
100 QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||BRAND NEW VERSION!!
What is chemistry?
Chemistry is the science that tries to understand how matter behaves by studying
how atoms and molecules behave.
Determine the answer to the following equation with correct number of
significant figures:
2.02+8.102-0.0297 =
a. 10.0923
b. 10.09
c. 10.1
d. 10.092
e. none of the above
B
Which of the following would NOT be considered a correct conversion factor?
a. 1 dozen eggs = 12 eggs
b. 12 eggs = 1 dozen eggs
c. 1 pair of shoes = 1 shoe
d. 100 pennies = 1 dollar
e. 5 cents = 1 nickel
C
The correct number of significant figures in the number 0.002320 is:
a. 7
1|Page
, CHEM 101 Midterm Exam Ivy Tech
b. 4
c. 3
d. ambiguous
e. none of the above
A
In the number 48.93, which digit is estimated?
a. 4
b. 8
c. 9
d. 3
e. none of the above
D
There are exactly 2.54 cm in 1 in. When using this conversion factor, how many
significant figures are you limited to?
a. 1
b. 3
c. Ambiguous
d. depends on if you are using it in multiplication/division or addition/subtraction
e. infinite number of significant figures
E
The wavelength of blue light is 0.00000045 m. Express this wavelength in scientific
notation.
a. 4.5 x 10-6 m
b. 4.5 x 106 m
c. 4.5 x 10-7 m
d. 4.5 x 107 m
e. 0.45 x 10-7 m
2|Page
, CHEM 101 Midterm Exam Ivy Tech
C
How many significant digits should be reported in the answer to the following
question?
(4.3-3.7) x 12.3 =
a. 1
b. 2
c. 3
d. 4
e. none of the above
A
A plastic block has dimensions of 2.2 cm x 3.0 cm x 1.5 cm and a mass of 12.4
grams. Will the block float in water and why?
a. Yes because the density of the block is 1.3 g/mL which is less dense than the
density of water.
b. Yes because the density of the block is 0.80g/mL which is less than the density
of water.
c. No because the density of the block is 1.3g/mL which is greater than the density
of water.
d. No because the density of the block is 0.80g/mL which is greater than the
density of water.
e. None of the above.
C
The correct scientific notation for the number 0.00050210 is:
a. 5.0210 x 104
b. 5.021 x 10-4
c. 5.021 x 104
3|Page
