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Heat Lost=Heat Gained Heat Kinetic Molecular Theory Heating Cooling Curve Energy Conversion Exo and Endo
If 30g of water at 0°C mix with 50g of water at 100°C, what is the final temp? A 100
62.5°C A 100
How much heat is absorbed when hot copper releases 15 kJ to cold water A 200
15 kJ A 200
Why is the amount of heat transferred between a metal and cold water not break the law of conservation of energy? (Even though not all the energy released by the metal is absorbed by the water) A 300
Some heat is lost to the environment. A 300
315 joules of energy are transferred to 20g of water at 34°C. What is the final temperature? A 400
37.5°C A 400
10g of ice at 0°C is mixed with 400g of water at 67°C. What is the final temperature? A 500
63.4°C A 500
Question Number One B B 100
2
What Kelvin temperature is equal to 273°C B 200
546 K B 200
Question Number Three B B 300
Correct Response Three B B 300
What direction is heat moving when a cold pack is placed on an injured leg of a person (who is still alive)? B 400
Leg to cold pack B 400
Which has higher kinetic energy absolute zero, or negative 272°C B 500
Negative 272°C B 500
Question Number One C C 100
3
Question Number Two C C 200
3
What type of motion do gas molecules move according to kinetic molecular theory? C 300
Constant random straight line motion C 300
DAILY DOUBLE C 400 DAILY DOUBLE Place A Wager
What type of collisions occur in particles of a gas sample? C 400
Elastic collisions C 400
Which is considered negligible in gases according to KMT, attraction to other particles, volume of particles or both? C 500
both C 500
What temperatures do the horizontal lines on a heating curve for water represent? D 100
Melting and boiling point D 100
If the temperature of the melting point is 30°C, what is the freezing point, or is this impossible to tell from the information provided? D 200
30°C D 200
What is the freezing point from this graph? D 300
50 D 300
Is this exothermic or endothermic? D 400
exothermic D 400
Question Number Five D D 500
50 D 500
What is the transfer of energy when a solar panel creates electricity E 100
Solar to electrical E 100
What type of energy conversion is an explosion E 200
Chemical to heat E 200
How much heat is absorbed when 10g of water boils at its boiling point? E 300
22600 J E 300
How much heat is released when 100g of water freezes at its freezing point in kilojoules E 400
33.4 kJ E 400
When 30g of water at 20°C heats to 30°C, how much heat is absorbed? E 500
1260 J E 500
Exo or endo, an explosion F 100
exo F 100
Explain the changes in KE and PE during minutes 2 to 6 F 200
KE stays the same and PE decreases F 200
Is it exo or endo if heat is absorbed? F 300
endo F 300
Why is a reaction endothermic if 2 salts mixed together make a beaker cold? F 400
Energy is absorbed from the beaker, so the beaker is cold F 400
A heating curve is endo or exo F 500
endo F 500
The Final Jeopardy Category is: Please record your wager. Click on screen to begin
Explain the law of the conservation of energy? Click on screen to continue
Energy is neither created nor destroyed Click on screen to continue
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