Answer:
Step-by-step explanation:
Name: _______________________________ Period: _____ Date: ______________________ ID: A
1
AP Chem Ch. 5 Study Sheet 6
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1) A 5-ounce cup of raspberry yogurt contains 6.0
g of protein, 2.0 g of fat, and 26.9 g of
carbohydrate. The fuel values for protein, fat,
and carbohydrate are 17, 38, and 17 kJ/g,
respectively. The fuel value of this cup of
yogurt is __________ kJ.
A 640
B 830
C 600
D 720
E 72
2) The average fuel value of sugars is 17 kJ/g. A
2.0 L pitcher of sweetened Kool-Aid contains
400 g of sugar. What is the fuel value (in kJ) of
a 500 mL serving of Kool-Aid? (Assume that
the sugar is the only fuel source.)
A 4.2 ! 104
B 1.7 ! 103
C 1.7 ! 106
D 1.7 ! 102
E 17
3) At what velocity (m/s) must a 20.0 g object be
moving in order to possess a kinetic energy of
1.00 J?
A 1.00
B 100 ! 102
C 10.0
D 1.00 ! 103
E 50.0
4) When a system __________, "E is always
negative.
A absorbs heat and does work
B gives off heat and does work
C absorbs heat and has work done on it
D gives off heat and has work done on it
E none of the above is always negative.
5) Which one of the following is an endothermic
process?
A ice melting
B water freezing
C boiling soup
D Hydrochloric acid and barium hydroxide are
mixed at 25°C: the temperature increases.
E Both A and C