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March 5, 2015

Homework Help: Chemistry

Posted by Claudia on Monday, October 18, 2010 at 11:46am.

Substance A has a melting point of -10 degree celcius and a boiling point of 57 degree celcius. Sunstance B has a melting point of -67 degree celius and a boiling point of 15 degree celius. Room temperature is 20 degree celcius.
(A) What is the physical state of substance A at room temperature? At 0 degree celcius? At 100 degree celcius?

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