CHEM 101 Ivy Tech Final Questions and
Answers (2026) | Complete Review | 100%
Verified Responses | 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? -✓✓No, because the
density of the block is 1.3 g/mL which is greater than the density of water.
• Given the density of Au is 19.3 g/cm3, determine the mass of gold (in
grams) in an ingot with the dimensions of 10.0 in x 4.00 in x 3.00 in. -
✓✓3.80 x 104
• The distance between the two hydrogen atoms in a molecule of water is
0.000000000172 m. Express this distance in scientific notation. -✓✓1.72 x
10-10 m
• How many grams are in 1.48 x 107 μg? -✓✓14.8
• The correct decimal representation of 6.453 x 103 is: -✓✓6,453
• How many significant digits should be reported in the answer to the
following question?
(4.3-3.7) x 12.3= -✓✓1
• The correct scientific notation for the number 0.00050210 is: -✓✓5.0210
x 10-4
• Which measurement below represents the heaviest mass? -✓✓1 Mg
• Determine the answer to the following equation with correct number of
significant figures:
2.02+8.102-0.0297= -✓✓10.09
• A lead ball has a mass of 55.0 grams and a density of 11.4 g/cm3. What
is the volume of the ball? -✓✓4.82 mL
, • When the value 4.449 is rounded to two significant figures, the number
should be reported as: -✓✓4.4
• The correct number of significant figures in the number 865,000 is: -
✓✓ambiguous
• How many inches are in 2.80 ft? -✓✓33.6
• Which of the following would NOT be considered a correct conversion
factor? -✓✓1 pair of shoes = 1 shoe
• Suppose a boat engine leaks 938 mL of oil into a lake. The mass of this
spilled oil is 823 g. The oil will not mix with the lake water. Which statement
is true? -✓✓The oil will float because its density of 0.877 g/mL is less than
the density of water.
• Which state of matter has indefinite shape and is compressible? -✓✓gas
• A solution is an example of a (an): -✓✓homogeneous mixture
• Which of the following is NOT an example of a physical property? -
✓✓Water can form hydrogen and oxygen under electrolysis conditions.
• Which of the following is a homogeneous mixture? -✓✓stainless steel
• When methane is burned with oxygen the products are carbon dioxide
and water. If you produce 36 grams of water and 44 grams of carbon
dioxide from 16 grams of methane, how many grams of oxygen were
needed for the reaction? -✓✓64
• Which of the following statements about matter is FALSE? -✓✓Matter is
smooth and continuous.
• Which of the following items is a chemical property? -✓✓the tarnishing of
a copper statue
• Which state of matter has atomic spacing that is close together and
definite shape? -✓✓solid
Answers (2026) | Complete Review | 100%
Verified Responses | 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? -✓✓No, because the
density of the block is 1.3 g/mL which is greater than the density of water.
• Given the density of Au is 19.3 g/cm3, determine the mass of gold (in
grams) in an ingot with the dimensions of 10.0 in x 4.00 in x 3.00 in. -
✓✓3.80 x 104
• The distance between the two hydrogen atoms in a molecule of water is
0.000000000172 m. Express this distance in scientific notation. -✓✓1.72 x
10-10 m
• How many grams are in 1.48 x 107 μg? -✓✓14.8
• The correct decimal representation of 6.453 x 103 is: -✓✓6,453
• How many significant digits should be reported in the answer to the
following question?
(4.3-3.7) x 12.3= -✓✓1
• The correct scientific notation for the number 0.00050210 is: -✓✓5.0210
x 10-4
• Which measurement below represents the heaviest mass? -✓✓1 Mg
• Determine the answer to the following equation with correct number of
significant figures:
2.02+8.102-0.0297= -✓✓10.09
• A lead ball has a mass of 55.0 grams and a density of 11.4 g/cm3. What
is the volume of the ball? -✓✓4.82 mL
, • When the value 4.449 is rounded to two significant figures, the number
should be reported as: -✓✓4.4
• The correct number of significant figures in the number 865,000 is: -
✓✓ambiguous
• How many inches are in 2.80 ft? -✓✓33.6
• Which of the following would NOT be considered a correct conversion
factor? -✓✓1 pair of shoes = 1 shoe
• Suppose a boat engine leaks 938 mL of oil into a lake. The mass of this
spilled oil is 823 g. The oil will not mix with the lake water. Which statement
is true? -✓✓The oil will float because its density of 0.877 g/mL is less than
the density of water.
• Which state of matter has indefinite shape and is compressible? -✓✓gas
• A solution is an example of a (an): -✓✓homogeneous mixture
• Which of the following is NOT an example of a physical property? -
✓✓Water can form hydrogen and oxygen under electrolysis conditions.
• Which of the following is a homogeneous mixture? -✓✓stainless steel
• When methane is burned with oxygen the products are carbon dioxide
and water. If you produce 36 grams of water and 44 grams of carbon
dioxide from 16 grams of methane, how many grams of oxygen were
needed for the reaction? -✓✓64
• Which of the following statements about matter is FALSE? -✓✓Matter is
smooth and continuous.
• Which of the following items is a chemical property? -✓✓the tarnishing of
a copper statue
• Which state of matter has atomic spacing that is close together and
definite shape? -✓✓solid
