Use the phase diagram for methane, shown below in figure 11.30 to answer questio

Question

Use the phase diagram for methane, shown below in figure 11.30 to answer questions 3-5: 3. What is the approximant temperature (and pressure) at the triple point? The triple point is the point where the solid, liquid, and gaseous phases coexist. It is marked point 1 and is at -180 Degree C and 0.1 atm 4. Is methane a solid, liquid, or gas at 1 and 20.0 Degree C? 5. If gases methane at 20-0 Degree C is cooled to -175.0 Degree C. at a constant pressure of 1.0 attn. what will happen? 6. 24.0 L of methane gas at 1.0 atm and 12.0 L of water vapor gas at 1.0 a are added to a 10.0 L container at 273.0 Degree K. For the 10.0 L container, find the total pressure and the partial pressures of methane and water.

Explanation / Answer

3) - 1800c and 0.1 atm

4) it is gas at 200c and 1 atm pressure

5) it becomes liquid

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