Homework Help: Chemistry

Posted by LeePyeonggang on Wednesday, February 10, 2010 at 1:52am.

Put the following in order in terms of increasing melting point: SiH4, SiO2, CH4, NH3, PH3.

Lowest → Highest
(A) NH3, PH3, CH4, SiH4, SiO2
(B) SiO2, PH3, NH3, CH4, SiH4
(C) SiH4, CH4, NH3, PH3, SiO2
(D) CH4, SiH4, PH3, NH3, SiO2
(E) CH4, SiH4, SiO2, NH3, PH3

Chemistry - DrBob222, Wednesday, February 10, 2010 at 12:21pm
We would be interested in your thoughts and why you have them arranged in that order.
Chemistry - Jamarcus, Tuesday, April 30, 2013 at 11:51am
The balanced equation P4(s)+ 6H2(g) + 4PH3(g) tells us that 7.0 mol H2 reacts or produces

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