Increasing the temperature of 50 grams of water by 1°C requires
A) 1 calorie.
B) 50 calories.
C) none of the above
Correct Answer:
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Q25: Heat is thermal energy that matter
A)contains.
B)transfers.
C)both
D)none of
Q26: A nutritionist in the United States measures
Q27: Heat is thermal energy that flows due
Q28: If the same quantity of heat is
Q29: Heat is simply another word for
A)temperature.
B)thermal energy.
C)thermal
Q30: Heat energy is measured in units of
A)degrees.
B)joules.
C)calories.
D)both
Q31: Compared to a giant iceberg, a hot
Q33: If a room is cold it is
Q34: A piece of iron and a cup
Q35: Which law of thermodynamics is a restatement
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