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Under ordinary conditions, a substance will sublime rather than melt if ____________.
a.its triple point occurs at a pressure above atmospheric pressure
b.its critical temperature is above its normal boiling point
c.its critical point occurs at a pressure above atmospheric pressure
d.its triple point occurs at a pressure below atmospheric pressure
e.its critical point occurs at a temperature above room temperature

Respuesta :

Manetho

Answer:

C

Explanation:

Under ordinary conditions, a substance will sublime rather than melt if its critical point occurs at a pressure above atmospheric pressure.

At conditions below the triple point that is under ordinary conditions , it is a solid to gas transition, vaporization only occurs above the triple point.

Hence the most correct answer is Option C.

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