(a)
Interpretation:
The mass of ethanol present in the vapor is to be calculated.
Concept introduction:
Clausius-Clapeyron equation is used to find the vapor pressure at one temperature when vapor pressure at another temperature and heat of enthalpy is given. It determines the change in vapor pressure with a change in temperature. The expression of the Clausius-Clapeyron equation is as follows:
Here,
The conversion factor to convert
The ideal gas equation can be expressed as follows,
Here,
(b)
Interpretation:
Whether all the ethanol vaporizes when the container is removed and warmed to room temperature is to be determined.
Concept introduction:
Clausius-Clapeyron equation is used to find the vapor pressure at one temperature when vapor pressure at another temperature and heat of enthalpy is given. It determines the change in vapor pressure with a change in temperature. The expression of the Clausius-Clapeyron equation is as follows:
Here,
The conversion factor to convert
The ideal gas equation can be expressed as follows,
Here,
(c)
Interpretation:
The mass of liquid ethanol that would be present at
Concept introduction:
Clausius-Clapeyron equation is used to find the vapor pressure at one temperature when vapor pressure at another temperature and heat of enthalpy is given. It determines the change in vapor pressure with a change in temperature. The expression of the Clausius-Clapeyron equation is as follows:
Here,
The conversion factor to convert
The ideal gas equation can be expressed as follows,
Here,
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