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Transcript of J E O P A R D Y ! Tu parles Latent? Feelin’ hot, hot, hot Be specific The Temp. Help Ms....
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J E O P A J E O P A R D Y !R D Y !
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Tu parles Tu parles Latent?Latent?
Feelin’ hot, Feelin’ hot, hot, hothot, hot Be specificBe specific The Temp.The Temp. Help Ms. Help Ms.
Al-KhalifaAl-Khalifa CalculateCalculate Col VIICol VII Col VIIICol VIII
100 100 100 100 100 100 100100 100100
200 200 200 200 200 200 200200 200200
300 300 300 300 300 300 300300 300300
400 400 400 400 400400 400400 400400 400400
500500 500500 500500 500500 500500 500500 500500 500500
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The amount of energy required to melt 1 kg of the solid to a liquid
1x100
1x100
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1x200
1x200
The amount of energy required to BOIL 1 kg of the liquid to gas
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1x300
1x300
It doesn’t change during the It doesn’t change during the melting or boiling processmelting or boiling process
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1x400
1x400
It is why 1 kg of water needs It is why 1 kg of water needs 2,300,000 J to change from a liquid 2,300,000 J to change from a liquid
to a gas.to a gas.
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1x500
1x500
Increasing the pressure lowers the Increasing the pressure lowers the ______ point of a substance and ______ point of a substance and
increases the _______ point.increases the _______ point.
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2x100
2x100
Heat SI unitHeat SI unit
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2x200
2x200
Temperature unitsTemperature units
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2x300
2x300
How does heat move?How does heat move?
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2x400
2x400
What is the equation to calculate What is the equation to calculate heat?heat?
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2x500
2x500
Explain the difference Explain the difference between heat & between heat &
temperaturetemperature
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3x100
3x100
It is the amount of energy It is the amount of energy needed to raise ___ kg of a needed to raise ___ kg of a
substance ____ substance ____ °C.°C.
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3x200
3x200
Why does sand on the beach feel Why does sand on the beach feel much warmer than the sea?much warmer than the sea?
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3x300
3x300
Specific heat unitsSpecific heat units
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3x400
3x400
Instrument used to find the Instrument used to find the specific heat of a metal.specific heat of a metal.
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3x500
3x500
Describe an experiment to find out Describe an experiment to find out the specific heat of brass.the specific heat of brass.
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4x100
4x100
Celsius at which water freezesCelsius at which water freezes
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4x200
4x200
What is happening to the What is happening to the temperature in this graph?temperature in this graph?
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4x300
4x300
Temperature is a measure of the Temperature is a measure of the average __________average __________
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4x400
4x400
Kelvin at which water boilsKelvin at which water boils
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4x500
4x500
What happens to the molecules What happens to the molecules when the temperature decreases?when the temperature decreases?
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5x100
5x100
Ms. Al-Khalifa’s water Ms. Al-Khalifa’s water reached 100 degrees reached 100 degrees
Celsius but its not boiling Celsius but its not boiling why?why?
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5x200
5x200
Ms. Al-Khalifa is trying to cook Ms. Al-Khalifa is trying to cook meat for her family using a pot but meat for her family using a pot but it takes a very long time and needs it takes a very long time and needs
to add water many times as it to add water many times as it evaporates very quickly. What can evaporates very quickly. What can she use to help make her cooking she use to help make her cooking time less and more easier? Why?time less and more easier? Why?
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5x300
5x300
Ms. Al-Khalifa traveled to Alaska Ms. Al-Khalifa traveled to Alaska for a 3 month training course. She for a 3 month training course. She
is starting her car but its not is starting her car but its not running. The repair man told her running. The repair man told her she forgot to put antifreeze in her she forgot to put antifreeze in her car engine. Why is that important?car engine. Why is that important?
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5x400
5x400
Ms. Al-Khalifa wants to melt the Ms. Al-Khalifa wants to melt the snow in front of her house. What snow in front of her house. What
can she use?can she use?
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5x500
5x500
Other than a car, where can Other than a car, where can antifreeze be used?antifreeze be used?
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6x100
6x100
Amount of heat energy needed to Amount of heat energy needed to raise 4 kg of water 20raise 4 kg of water 20°C. Specific °C. Specific
heat of water is 4200J/kg˚Cheat of water is 4200J/kg˚C
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6x200
6x200
What is the temperature change What is the temperature change from a liquid to a solid in this from a liquid to a solid in this
graph?graph?
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6x300
6x300
25.0 g of mercury is heated from 25°C to 155°C, and
absorbs 455 joules of heat in the process. Calculate the specific
heat capacity of mercury.
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6x400
6x400
To what temperature will a 50.0 g piece of glass raise if it absorbs 5275 joules of heat and its specific heat capacity is 500 J/kg°C? The initial temperature of the
glass is 20.0°C.
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6x500
6x500 A 5.5kg brass ball at 120oC is placed in
an insulated container of water at 20oC. When the ball and the water
reach thermal equilibrium, their temperature is 50o. The Specific Heat
for brass is 380 J/kgoC and water is 4200 J/kgoC . What is the mass of the
water?HINT: heat gained = heat lost