Two thermometers, calibrated in the Celcius scale and the Farenheit scale, are used to measure same temperature. The value on the farenheit thermometer ________________? a. is proportional to that on the Celcius thermometer? b. is greater than that on the Celcius thermometer? c. is less than that on the Celcius thermometer? d. May be greater or less than that Celcius thermometer?
1. Two thermometers, calibrated in the Celcius scale and the Farenheit scale, are used to measure same temperature. The value on the farenheit thermometer ________________?
a. is proportional to that on the Celcius thermometer?
b. is greater than that on the Celcius thermometer?
c. is less than that on the Celcius thermometer?
d. May be greater or less than that Celcius thermometer?
.
2. A vapor that condenses into liquid will_______.
a. Absorb heat
b. Evolve heat
c. Have a higher temperature
d. Have a lower temperature
.
3. A cup of hot coffee can be cooled by placing a cold spoon in it. Assuming that the spoons all have the same mass, the one that is most effective for this purpose is the spoon made of_____
a. Aluminum
b.copper
c.iron
d.silver
.
4. One gram of steam at 100 celsius causes a more serious burn than a 1 gram of water at 100 celsius because the steam _____
a. is less dense
b.strikes the skin with greater force
c.Has a higher specific heat capacity
d.Contains more internal energy
.
5. The heat of vaporization of a substance is ______
a. less than its heat of fusion
b.greater than its heat of fusion
c. Equal to its heat of fusion
d. Any of the above, depending on the nature of the substance
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