How much heat is necessary to change 10 g of ice at –20°C into water at 10°C?
a. 0.02 kcal
b. 0.2 kcal
c. 1 kcal
d. 0.08 kcal
c
Physics & Space Science
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Indicate whether the statement is true or false
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The loudness of a sound is most closely related to its
A) speed. B) frequency. C) wavelength. D) intensity.
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The Surface Weather map presents data and analysis for what time of day?
Physics & Space Science
The cosmological principle states that any observer in any galaxy sees the same general properties for the Universe
a. True b. False Indicate whether the statement is true or false
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