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15
×
What term is given to a reaction which transfers heat energy to the surroundings?
Exothermic
Endothermic
Reversible
Reversible
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20
×
Which will most likely occur when raw egg is placed on black pavement on a hot, summer day?
The pavement will conduct the heat and cook the egg.
The egg will absorb the heat and leave the pavement hotter
The egg will reflect the heat and make the pavement hotter.
The pavement will absorb the heat from the egg.
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15
×
Specific heat of water is 4.18 J/g°C. Specific heat of wood is 1.760 J/g°C What material needs more heat energy to raise the temperature?
Water
Both are same
Wood
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15
×
How does heat flow?
Always from cold to warm
Both warm to cold & cold to warm
It depends on the temperature
Always from warm to cold
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15
×
The amount of energy required to raise the temperature 1šC is called____?
Temperature
Specific Heat
Thermal Energy
Heat Capacity
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baam
Lose 15 points!
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star
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fairy
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5
10
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20
25
×
thief
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15
×
Warm air is __________ dense than cold air and rises creating convection currents.
more
less
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15
×
Which describes what can happen as a result of radiation?
A carâs inside temperature rises to over 100 degrees.
A can of soup is heated in a pot on a stove.
A piece of wood burns in a fire.
A shirt is hot after having been ironed.
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20
×
What is the variable for change in Temperature in the Heat Equation?
T
Q
J
Cp
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monster
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star
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rocket
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thief
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25
10
×
What is the variable for change in Mass in the Heat Equation?
M
J
T
Cp
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15
×
The amount of energy required to raise the temperature 1šC for every gram is called____?
Thermal Energy
Kinetic Energy
Temperature
Specific Heat
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banana
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star
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fairy
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25
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banana
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20
×
When calcium reacts with water, the temperature changes from 18°C to 39°C. Which statement is correct?
The reaction is exothermic
The reaction is endothermic
The reaction is reversible
The solution at the end is acidic
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baam
Lose 25 points!
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star
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rocket
Go to first place!
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baam
Lose 20 points!
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15
×
What would be the effect on the particles if more heat is supplied to the system?
They would slow down
There would be no effect
They would speed up
They would stop moving
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