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skad [1K]
2 years ago
11

Dry ice, CO2(s), does not melt at atmospheric pressure. It sublimes at a temperature of −78 °C. What is the lowest pressure at w

hich CO2(s) will melt to give CO2(l)? At approximately what temperature will this occur?
Chemistry
1 answer:
kirill115 [55]2 years ago
4 0
You need to use the equation PV = nRT

The only “trick” in these problems is you need to use the correct UNITS. Especially for the “R” value.

If you get the units (eg temps in Celsius or Kelvin) corresponding to the correct “matching” units of the other variables.

You need to convert the temp into Kelvin first
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2 years ago
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aksik [14]

The question is incomplete, the complete question is;

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the lower the number of a pH, the more it is heading towards being acidic, but the higher the number, the more it heads towards being an alkali. here is a ppt i made along time ago. hope it can help you . have a nice day

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Explanation:

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