Week 14: Tuesday, May 9: Thermochemistry
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Class Period
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2
3
4
Heating Curve of Water
In the Heating Curve above, describe what is happening at areas where the graph has constant temperature.
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When melting takes place, what happens to the temperature?
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1 point
it goes up
is stays the same
it goes down
If q (the amount of heat) is 350 J and you have 3.5 g (the mass), what is the specific heat (C) if the temperature changes 10.0 ºC ? The equation is C = q / m T (T is the change in temp).
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1 point
10
10 J/g°C
100
100 J/g°C
When 435 J of heat is added to 3.4 g of olive oil at 21°C, the temperature increases to 85 °C. What is the specific heat of olive oil?
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1 point
1.0 J/g°C
2.0 J/g°C
3.0 J/g°C
3.6 J/g°C
4.0 J/g°C
Temperature is the _____________ kinetic energy of the particles in a substance. Heat is the __________________ kinetic energy.
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1 point
amount, type
average, total
measure, degree
Other:
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