5. Click on link to Ask
Jeeves, or click on this
oval to return to
question and ask a
friend
6. 1. 1 kg of cold water at 5ºC is added to a container of 5 kg of hot
water at 65º C. What is the final temperature of the water when it
arrives at thermal equilibrium?
A. 55ºC
B. 15ºC
C. 10ºC
D. 30ºC
8. Which of the following properties must be known in order to calculate
the amount of heat needed to melt 1.0 kg of ice at 0ºC?
I. The specific heat of water
II. The latent heat of fusion for water
III. The density of water
A. I only
B. I, II, and III
C. II only
D. I and III only
12. Which of the following is an example
of convection?
A. An overhead fan
cooling a room
B. A microwave oven
cooking a meal
C. The heat of the
sun warming our planet
D. Ice cubes cooling
a drink
18. Arrange the following:
I. Anders Celsius
II. William Thomson
III. Daniel Gabriel Fahrenheit
IV. William John Macquorn Rankine
A. I,II,III,IV
B. III,I,II,IV
C. III,I,IV,II
D. IV,III,II,I
20. Absolute zero is a temperature on the Kelvin scale.
Although no one has ever been able to
cool anything down to absolute zero, scientist
know that it is;
A. - 137.15 K
B. - 173.15 K
C. - 273.15 K
D. - 237.15 K
32. Which of the two is correct?
I. 82 Fahrenheit = 28 Celsius
II. 61 Fahrenheit = 16 Celsius
A. I only
B. none of the above
C. II only
D. I & II