CHEM 104 Exam 2 Questions and Answers Verified Solutions Latest Update 2026/2027

CHEM 104 Exam 2 Questions and
Answers Verified Solutions Latest Update
2026/2027

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.