J E O P A R D Y ! Tu parles Latent? Feelin’ hot, hot, hot Be specific The Temp. Help Ms. Al-Khalifa Calculate Col VII Col VIII 100 200 300 400 500.

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Presentation transcript:

J E O P A R D Y !

Tu parles Latent? Feelin’ hot, hot, hot Be specific The Temp. Help Ms. Al-Khalifa Calculate Col VII Col VIII

The amount of energy required to melt 1 kg of the solid to a liquid 1x1001x100 1x1001x100

1x2001x200 1x2001x200 The amount of energy required to BOIL 1 kg of the liquid to gas

1x3001x300 1x3001x300 It doesn’t change during the melting or boiling process

1x4001x400 1x4001x400 It is why 1 kg of water needs 2,300,000 J to change from a liquid to a gas.

1x5001x500 1x5001x500 Increasing the pressure lowers the ______ point of a substance and increases the _______ point.

2x1002x100 2x1002x100 Heat SI unit

2x2002x200 2x2002x200 Temperature units

2x3002x300 2x3002x300 How does heat move?

2x4002x400 2x4002x400 What is the equation to calculate heat?

2x5002x500 2x5002x500 Explain the difference between heat & temperature

3x1003x100 3x1003x100 It is the amount of energy needed to raise ___ kg of a substance ____ °C.

3x2003x200 3x2003x200 Why does sand on the beach feel much warmer than the sea?

3x3003x300 3x3003x300 Specific heat units

3x4003x400 3x4003x400 Instrument used to find the specific heat of a metal.

3x5003x500 3x5003x500 Describe an experiment to find out the specific heat of brass.

4x1004x100 4x1004x100 Celsius at which water freezes

4x2004x200 4x2004x200 What is happening to the temperature in this graph?

4x3004x300 4x3004x300 Temperature is a measure of the average __________

4x4004x400 4x4004x400 Kelvin at which water boils

4x5004x500 4x5004x500 What happens to the molecules when the temperature decreases?

5x1005x100 5x1005x100 Ms. Al-Khalifa’s water reached 100 degrees Celsius but its not boiling why?

5x2005x200 5x2005x200 Ms. Al-Khalifa is trying to cook meat for her family using a pot but it takes a very long time and needs to add water many times as it evaporates very quickly. What can she use to help make her cooking time less and more easier? Why?

5x3005x300 5x3005x300 Ms. Al-Khalifa traveled to Alaska for a 3 month training course. She is starting her car but its not running. The repair man told her she forgot to put antifreeze in her car engine. Why is that important?

5x4005x400 5x4005x400 Ms. Al-Khalifa wants to melt the snow in front of her house. What can she use?

5x5005x500 5x5005x500 Other than a car, where can antifreeze be used?

6x1006x100 6x1006x100 Amount of heat energy needed to raise 4 kg of water 20°C. Specific heat of water is 4200J/kg˚C

6x2006x200 6x2006x200 What is the temperature change from a liquid to a solid in this graph?

6x3006x300 6x3006x 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.

6x4006x400 6x4006x400 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.

6x5006x500 6x5006x500 A 5.5kg brass ball at 120 o C is placed in an insulated container of water at 20 o C. When the ball and the water reach thermal equilibrium, their temperature is 50 o. The Specific Heat for brass is 380 J/kg o C and water is 4200 J/kg o C. What is the mass of the water? HINT: heat gained = heat lost