How does the vapor pressure of a compound like the hydrocarbon octane change with the\ temperature of the surrounding environment? ( 2 pts)\ Explain Dalton's Law for gases in a closed system in the context of the image that is illustrated below\ and explain what the mole fraction is. ( 2 pts)\ Explain Raoult's Law for the vapor pressure of solutions. (2 pts)\ When heating a 50:50 mixture of miscible liquid compounds whose boiling points are\ significantly different, what is the composition of the vapor above the liquid? (2 pts)\ a) It is a 50:50 mixture\ b) It is a mixture enriched in the component that had the higher vapor pressure\ c) It is a mixture enriched in the component that had the lower vapor pressure\ d) There is no vapor pressure above the solution.

1. How does the vapor pressure of a compound like the hydrocarbon octane change with the temperature of the surrounding environment? (2 pts) 2. Explain Dalton's Law for gases in a closed system in the context of the image that is illustrated below and explain what the mole fraction is. ( 2 pts) 3. Explain Raoult's Law for the vapor pressure of solutions. (2 pts) 4. When heating a 50:50 mixture of miscible liquid compounds whose boiling points are significantly different, what is the composition of the vapor above the liquid? (2 pts) a) It is a 50:50 mixture b) It is a mixture enriched in the component that had the higher vapor pressure c) It is a mixture enriched in the component that had the lower vapor pressure d) There is no vapor pressure above the solution