CHEM 104 EXAM 2 REVIEW SHEET COMPLETE QUESTIONS ANSWERS GRADED A PLUS
CHEM 104 EXAM 2 Comprehensive Review
2026/2027 Mastered Material Confirmed Questions
and Answers Verified Solutions Latest Update
Question:
11) A liquid has a volume of 34.6 mL and a mass of 46.0 g. What is the density of the liquid? A)
1.33 g/mL B) 1.00 g/mL C) 1330 g/mL D) 0.663 g/mL E) 0.752 g/mL
Answer:
A) 1.33 g/mL
Question:
11) What is the mass of 53 mL of ethanol, which has a density of 0.79 g/mL? A) 42 g B) 67.1 g C)
53 g D) 41.9 g E) 67 g
Answer:
A) 42 g
Question:
13) Blood is a(n) A) compound. B) heterogeneous mixture. C) element. D) homogeneous mixture.
Answer:
D) homogeneous mixture
Question:
14) Which of the following is an example of a physical change? A) converting water to hydrogen
and oxygen B) grinding coffee beans C) digesting a cheeseburger D) burning coal E) baking a cake
Answer:
B) grinding coffee beans
,Question:
15) Which of the following is a chemical change? A) bending a steel rod B) melting gold C) cutting
a rope D) burning sugar E) making a snowman
Answer:
D) burning sugar
Question:
16) A temperature of 41 °F is the same as A) -9 °C. B) 16 °C. C) 42 °C. D) 5 °C. E) 310 °C.
Answer:
D) 5 °C.
Question:
17) A patient has a temperature of 38.5 °C. What is the temperature in degrees Fahrenheit? A) 126.9
°F B) 11.7 °F C) 70.5 °F D) 101 °F E) 311.0 °F
Answer:
D) 101 °F
Question:
18) The temperature of liquid nitrogen is -196 °C. What is the corresponding reading on the Kelvin
scale? A) -127 K B) 48 K C) 77 K D) -91 K E) 146 K
Answer:
C) 77 K
Question:
19) 650. J is the same amount of energy as A) 155 cal. B) 2720 cal. C) 2.72 cal. D) 1550 cal. E) 650
cal.
Answer:
A) 155 cal.
, Question:
20) The dietary calorie (Cal) is equal to A) 10 calories. B) 1000 kilocalories. C) 100 calories. D) 1
calorie. E) 1000 calories.
Answer:
E) 1000 calories.
Question:
21) A slice of pizza contains 29 g of carbohydrate, 13 g of protein and an unknown amount of fat. If
the pizza contains 280 kcal, how many grams of fat are present? (The caloric values for foods are
4.0 kcal/g for carbohydrate, 4.0 kcal/g for protein, and 9.0 kcal/g for fat.) Round off the answer for
each food type to the tens place. A) 12 g B) 10. g C) 250 g D) 55 g E) 25 g
Answer:
A) 12 g
Question:
22) The specific heat of a substance is the amount of heat needed to A) change 1 g of the substance
from the solid to the liquid state. B) convert 1 g of a solid to a gas. C) convert 1 g of a liquid to gas.
D) change 1 g of the substance from the liquid to the solid-state. E) raise the temperature of 1 g of
the substance by 1 °C.
Answer:
E) raise the temperature of 1 g of the substance by 1 °C.
Question:
23) How many calories are required to increase the temperature of 13 g of ethanol from 11 °C to 23
oC? The specific heat of alcohol is 0.588 cal/g °C. A) 0.63 cal B) 83 cal C) 0.54 cal D) 170 cal E) 92
cal
Answer:
E) 92 cal
CHEM 104 EXAM 2 Comprehensive Review
2026/2027 Mastered Material Confirmed Questions
and Answers Verified Solutions Latest Update
Question:
11) A liquid has a volume of 34.6 mL and a mass of 46.0 g. What is the density of the liquid? A)
1.33 g/mL B) 1.00 g/mL C) 1330 g/mL D) 0.663 g/mL E) 0.752 g/mL
Answer:
A) 1.33 g/mL
Question:
11) What is the mass of 53 mL of ethanol, which has a density of 0.79 g/mL? A) 42 g B) 67.1 g C)
53 g D) 41.9 g E) 67 g
Answer:
A) 42 g
Question:
13) Blood is a(n) A) compound. B) heterogeneous mixture. C) element. D) homogeneous mixture.
Answer:
D) homogeneous mixture
Question:
14) Which of the following is an example of a physical change? A) converting water to hydrogen
and oxygen B) grinding coffee beans C) digesting a cheeseburger D) burning coal E) baking a cake
Answer:
B) grinding coffee beans
,Question:
15) Which of the following is a chemical change? A) bending a steel rod B) melting gold C) cutting
a rope D) burning sugar E) making a snowman
Answer:
D) burning sugar
Question:
16) A temperature of 41 °F is the same as A) -9 °C. B) 16 °C. C) 42 °C. D) 5 °C. E) 310 °C.
Answer:
D) 5 °C.
Question:
17) A patient has a temperature of 38.5 °C. What is the temperature in degrees Fahrenheit? A) 126.9
°F B) 11.7 °F C) 70.5 °F D) 101 °F E) 311.0 °F
Answer:
D) 101 °F
Question:
18) The temperature of liquid nitrogen is -196 °C. What is the corresponding reading on the Kelvin
scale? A) -127 K B) 48 K C) 77 K D) -91 K E) 146 K
Answer:
C) 77 K
Question:
19) 650. J is the same amount of energy as A) 155 cal. B) 2720 cal. C) 2.72 cal. D) 1550 cal. E) 650
cal.
Answer:
A) 155 cal.
, Question:
20) The dietary calorie (Cal) is equal to A) 10 calories. B) 1000 kilocalories. C) 100 calories. D) 1
calorie. E) 1000 calories.
Answer:
E) 1000 calories.
Question:
21) A slice of pizza contains 29 g of carbohydrate, 13 g of protein and an unknown amount of fat. If
the pizza contains 280 kcal, how many grams of fat are present? (The caloric values for foods are
4.0 kcal/g for carbohydrate, 4.0 kcal/g for protein, and 9.0 kcal/g for fat.) Round off the answer for
each food type to the tens place. A) 12 g B) 10. g C) 250 g D) 55 g E) 25 g
Answer:
A) 12 g
Question:
22) The specific heat of a substance is the amount of heat needed to A) change 1 g of the substance
from the solid to the liquid state. B) convert 1 g of a solid to a gas. C) convert 1 g of a liquid to gas.
D) change 1 g of the substance from the liquid to the solid-state. E) raise the temperature of 1 g of
the substance by 1 °C.
Answer:
E) raise the temperature of 1 g of the substance by 1 °C.
Question:
23) How many calories are required to increase the temperature of 13 g of ethanol from 11 °C to 23
oC? The specific heat of alcohol is 0.588 cal/g °C. A) 0.63 cal B) 83 cal C) 0.54 cal D) 170 cal E) 92
cal
Answer:
E) 92 cal
