CHEM 101 Ivy Tech Midterm Questions and
Answers (2026) | Complete Review | 100%
Verified Responses | A+
• Which of the following would be considered a theory? -✓✓Helium
balloons float because helium is less dense than air.
• Which of the statements below is NOT part of the scientific method? -
✓✓All of the above steps are part of the scientific method.
• Which statement about a hypothesis is TRUE? -✓✓All of the above
statements are true.
• Who discovered the law of conservation of mass? -✓✓Antoine Lavoisier
• The distance between two hydrogen atoms in a molecule of water
0.0000000000172 m. Express this distance in scientific notation. -✓✓1.72
x 10^-10 m
• Which of the following would NOT be considered a correct conversion
factor? -✓✓1 pair of shoes = 1 shoe
• In the number 48.93, which digit is estimated? -✓✓3
• The correct number of significant figures in the number 0.027090 is: -
✓✓5
• The base SI unit for temperature is: -✓✓Kelvin
• The correct scientific notation for the number 0.00050210 is: -✓✓5.0210
x 10^-4
• How many inches are in 25.8 cm? -✓✓10.2 in
, • Which of the following statements is NOT part of the rules for determining
significant figures? -✓✓Non-zero digits at the end of a number are not
significant.
• The correct number for significant figures in the number 1.250100 is: -
✓✓7
• How many milliliters are in 17.5 L? -✓✓1.75 x 10^4 mL
• Which state of matter has atomic spacing that is close together and
definite shape? -✓✓Solid
• Which state of matter has atomic spacing that is far apart and definite
shape -✓✓Liquid
• What is the calue of 783 K in units of C -✓✓510 C
• In order, what is the freezing point, room temperature and boiling point of
water according to the Celsius scale? -✓✓32-75-212
• Which state of matter has indefinite shape and is compressible? -✓✓Gas
• How would you classify raisin bran? -✓✓mixture- heterogeneous
• Which type of energy is associated with the burning of gasoline? -
✓✓Chemical
• Which of the following is a heterogeneous mixture? -✓✓Raisin bran
• Which of the following statements about compounds is TRUE? -✓✓A
substance composed of two or more elements is fixed, definite proportions.
• Which among the following statements is FALSE? -✓✓None of the above
• Cr is a member of which family? -✓✓none of the above
• How many neutrons are present in C-14? -✓✓8
Answers (2026) | Complete Review | 100%
Verified Responses | A+
• Which of the following would be considered a theory? -✓✓Helium
balloons float because helium is less dense than air.
• Which of the statements below is NOT part of the scientific method? -
✓✓All of the above steps are part of the scientific method.
• Which statement about a hypothesis is TRUE? -✓✓All of the above
statements are true.
• Who discovered the law of conservation of mass? -✓✓Antoine Lavoisier
• The distance between two hydrogen atoms in a molecule of water
0.0000000000172 m. Express this distance in scientific notation. -✓✓1.72
x 10^-10 m
• Which of the following would NOT be considered a correct conversion
factor? -✓✓1 pair of shoes = 1 shoe
• In the number 48.93, which digit is estimated? -✓✓3
• The correct number of significant figures in the number 0.027090 is: -
✓✓5
• The base SI unit for temperature is: -✓✓Kelvin
• The correct scientific notation for the number 0.00050210 is: -✓✓5.0210
x 10^-4
• How many inches are in 25.8 cm? -✓✓10.2 in
, • Which of the following statements is NOT part of the rules for determining
significant figures? -✓✓Non-zero digits at the end of a number are not
significant.
• The correct number for significant figures in the number 1.250100 is: -
✓✓7
• How many milliliters are in 17.5 L? -✓✓1.75 x 10^4 mL
• Which state of matter has atomic spacing that is close together and
definite shape? -✓✓Solid
• Which state of matter has atomic spacing that is far apart and definite
shape -✓✓Liquid
• What is the calue of 783 K in units of C -✓✓510 C
• In order, what is the freezing point, room temperature and boiling point of
water according to the Celsius scale? -✓✓32-75-212
• Which state of matter has indefinite shape and is compressible? -✓✓Gas
• How would you classify raisin bran? -✓✓mixture- heterogeneous
• Which type of energy is associated with the burning of gasoline? -
✓✓Chemical
• Which of the following is a heterogeneous mixture? -✓✓Raisin bran
• Which of the following statements about compounds is TRUE? -✓✓A
substance composed of two or more elements is fixed, definite proportions.
• Which among the following statements is FALSE? -✓✓None of the above
• Cr is a member of which family? -✓✓none of the above
• How many neutrons are present in C-14? -✓✓8
