Practice Quiz 2 (Ch 11)
Name___________________________
1.
Sea breezes that occur near the shore are attributed to a difference between land and water with
respect to what property?
a. mass density
b. coefficient of volume expansion
c. specific heat
d. emissivity
c
2.
A 10kg piece of aluminum (which has a specific heat of 900 J/kg
°C) is warmed so that its
temperature increases by 5.0 C
. How much heat was transferred into it?
a. 4.5 × 10
4
J
b. 9.0 × 10
4
J
c. 1.4 × 10
5
J
d. 2.0 × 10
5
J
a
3.
What is the temperature increase of 4.0 kg of water when heated by an 800W immersion heater for
10 min? (
c
w
= 4 186 J/kg
°C)
a. 56°C
b. 51°C
c. 29°C
d. 14°C
c
4. Iced tea is made by adding ice to 1.8 kg of hot tea, initially at 80°C. How many kg of ice, initially at
0
C, are required to bring the mixture to 10°C? (
L
f
= 3.33 x 10
5
J/kg,
c
w
= 4 186 J/kg
°C)
c
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 Winter '11
 ArmenN.Kocharian
 Physics, Thermodynamics, Mass, Heat, Heat Transfer, a. conduction b., c. convection d.

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