If a cup of tea at room temperature, 24°C is heated until it has twice the internal energy, unlike a piece of metal, its temperature will be
A) 48°C.
B) 100°C.
C) 321°C.
D) 594°C.
E) none of the above
Answer: B
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and the heat of vaporization of water at 100
is 2,256 kJ/kg. What is the energy needed to vaporize 100 grams of ice at starting at 0
?
A. 600 kJ B. 500 kJ C. 400 kJ D. 300 kJ E. 200 kJ
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What will be an ideal response?