2012年4月25日星期三

How many calories of energy are neede to melt 120g of ice?

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How many calories of energy are neede to melt 120g of ice?

help please 10 points for the person that gets it!

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80 calories per gram. 80 * 120 = 9600 cals

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A calorie is the amount of energy it takes to bring one liter of water at 0 degrees Celsius to a boil, at sea level. Nicely enough the mL was defined as the volume of one gram of water at sea level, so : 0.120L times temperature change....

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help please 10 points for the person that gets it!

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