Chemistry

10thgrade

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Thermochemistry

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10 questions

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  • 1. Multiple Choice
    5 minutes
    1 pt
    The specific heat of aluminum is 0.21 J/g°C.  How much heat(Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100° to 50°?
    105 J
    10.5 J
    1.05 J
    0.105 J
  • 2. Multiple Choice
    3 minutes
    1 pt
    20 g of water. specific heat of water is 4.18 J/g°C.  temperature changes from 25° C to 20° Chow much heat energy (q) moves from the water to the surroundings?
    400 J
    210 J
    80 J
    4.18 J
  • 3. Multiple Choice
    30 seconds
    1 pt
    What does temperature measure?
    Heat
    ºC
    Kinetic Energy
    Thermal Energy
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