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OpenStudy (anonymous):
If 20.6 grams of liquid at zero degrees Celsius completely change into a solid at zero degrees Celsius, the heat of phase change will be positive. True False
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OpenStudy (anonymous):
i believe it is true?
OpenStudy (mos1635):
X(l) ->X(s) + Q
OpenStudy (anonymous):
so the answer i put is wrong?
OpenStudy (mos1635):
true it is
OpenStudy (anonymous):
The amount of heat needed to melt a substance depends only on the ΔHfusion value of the substance. True False this one is false
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