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3871

冰融化熱計算且翻譯

4 ice cubes are at 0.00度c﹐each with a volume of 1.00 in3`; How much heat is needed to melt the ice cubes? Density of ice is 0.917 g/cm3 and the heat of fusion of ice is 333J/g-度C請幫我翻譯且解出答案
翻譯有0度C四方形冰塊四塊

每一塊冰塊體積1立方英吋

要融化這些冰塊需要多少熱量? 冰的密度是 0.917 g/cm3

冰的融化熱是333J/g。

說明冰的融化熱是333J/g。

不是333J/g-度C。

冰的融化熱是指零度的冰融化為零度的水所需要的熱量

溫度不變

仍然維持原來的溫度。

解出答案volume of 1 ice cube= 1.00 in3 = 16.3871 cm3weight of each ice cube = 16.3871 cm3 x 0.917 g/cm3 = 15.0269707 gheat needed to melt1 ice cube = 333J/g x 15.0269707 g = 5003.981243 Jheat needed to melt4 ice cubes = 5003.981243 J x 4 = 20015.92497 J = 20.016kJ

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