The enthalpy of vaporization of Substance X is 23.0 Round your answer to 2 significant digits. 0 atm 0 x10 X kJ and its normal boiling point is 10. °C. Calculate the vapor pressure of X at -18. °C. mol

The pressure above a pure sample of solid Substance X at -221. °C is lowered. At what pressure will the sample sublime? Use the phase diagram of X below to find your answer. pressure (atm) 0. atm 0 solid liquid 100 gas 200 temperature (K) Note: your answer must be within 0.25 atm of the exact answer X Ś

Using a phase diagram to predict phase at a given temperature... Study the following phase diagram of Substance X. pressure (atm) 1.2- 0.6 0. solid 200 liquid 400 temperature (K) Use this diagram to answer the following questions. gas 600 Suppose a small sample of pure X is held at 44. °C and 0.8 atm. What will be the state of the sample? Suppose the temperature is held constant at 44. °C but the pressure is decreased by 0.7 atm. What will happen to the sample? (choose one) ✓ (choose one) Suppose, on the other hand, the pressure is held constant at 0.8 atm but the temperature is decreased by 108. °C. What will happen to the (choose one) sample?

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Consider a sample of 3.21 g of water, which has an equilibrium vapor pressure of 23.8 mmHG at 25.0°C. If this sample is placed into a 10.00 L flask, what mass of liquid water will remain when equilibrium is established?

The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure -67. °C 0.0672 atm -55. °C 0.159 atm -43. °C 0.345 atm Use this information to calculate the enthalpy of vaporization of X. Round your answer to 2 significant digits. Be sure your answer contains a correct unit symbol. ☐ ☐ x10 μ ×

The vapor pressure of methanol at 20.0 oC is 97.7 torr. The normal boiling point of methanol is 64.7 oC. Calculate the heat of vaporization for methanol.

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The enthalpy of vaporization of Substance X is 21.0 Round your answer to 2 significant digits. atm x10 X kJ and its normal boiling point is -83. °C. Calculate the vapor pressure of X at - 140. °C. mol

300 °C. Using the following information, determine the vapor pressure of water at H₂0 at T = 179.88 degrees C the vapor pressure is PSAT = 10 bar. The enthalpy of vaporization is 2014.59 kJ/kg W = 0.1944 m³/kg V¹ = 0.001127 m³/kg