Vocab 1111 3333 2222 4444 5555 1111 3333 2222 4444 5555 1111 3333 2222 4444 5555 1111 3333 2222 4444...
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Transcript of Vocab 1111 3333 2222 4444 5555 1111 3333 2222 4444 5555 1111 3333 2222 4444 5555 1111 3333 2222 4444...
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Heat Transfer
Phase Changes
Temp Scales
ΔQ
Question: The average kinetic energy of the molecules in a substance.
Check Your Answer
Answer: Temperature
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Question: The amount of thermal energy in an object.
Check Your Answer
Answer: Heat
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Question: The SI or metric unit for heat.
Check Your Answer
Answer: Joules
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Question: BTUs stands for:
Check Your Answer
Answer:
British Thermal Units
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Question: Evaporation and boiling are both types of this:
Check Your Answer
Answer: Vaporization
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Question:
Type of heat transfer:
Burning your finger on a hot stove.
Check Your Answer
Answer: conduction
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Question:
Type of heat transfer:
A cool breeze flows off the ocean
Check Your Answer
Answer: Convection
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Question:
Type of heat transfer:
Energy travels from the sun to the Earth
Check Your Answer
Answer: radiation
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Question:
Type of heat transfer:
Infrared wavelengths of energy
Check Your Answer
Answer: radiation
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Question:
Type of heat transfer:
Only happens in fluids and can NOT occur in solids
Check Your Answer
Answer: Convection
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Question: process of changing from solid to a liquid
Check Your Answer
Answer: melting
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Question: process of changing from solid to a gas
Check Your Answer
Answer: sublimation
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Question: process of changing from liquid to a gas below the boiling point
Check Your Answer
Answer: evaporation
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Question: process of changing from gas to a liquid
Check Your Answer
Answer: condensation
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Question: process of changing from liquid to a gas that takes place throughout the liquid
Check Your Answer
Answer: boiling
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Question: The melting point of water on the Kelvin scale
Check Your Answer
Answer: 273oK
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Question: The boiling point of water on the Celsius scale
Check Your Answer
Answer: 100oC
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Question: Frost can begin to appear outside with the temperature starts to drop below this temperature on the Fahrenheit scale
Check Your Answer
Answer: 32oF
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Question: The temperature scale that can never reach -10o
Check Your Answer
Answer: Kelvin
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Question: Absolute zero is when all molecular motion stops. That is zero on which scale?
Check Your Answer
Answer: 0oK
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Question: The heat energy needed to melt a substance.
Check Your Answer
Answer: The Heat of Fusion
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Question: The heat of fusion constant for water.
Check Your Answer
Answer: 340 J/g
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Question: Specific heat constant for water is 1.0 cal/goC and ______ J/goC
Check Your Answer
Answer: 4.2
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Question: The heat energy needed to boil a substance
Check Your Answer
Answer: the Heat of Vaporization
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Question: the heat of vaporization constant for water
Check Your Answer
Answer: 2300 J/g
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