Ethylene glycol is used as an antifreeze to lower the freezing point of water in automotive engines in the winter. If the heat of fusion of water is 6003 J/mol and that of ethylene glycol is 10,998 J/mol, compute and plot (on the same graph) the following as a function of water mole fraction, xH2O: a. The freezing points of ethylene glycol-in-water mixtures b. The freezing points of water-in-ethylene glycol mixtures For the purpose of this problem, you may assume ideal solutions. From the above analysis, what would be your recommendation to an automotive manufacturer regarding the molar composition of water and ethylene glycol to ensure the lowest possible freezing point? What would you estimate the corresponding freezing point to be?
Ethylene glycol is used as an antifreeze to lower the freezing point of water in automotive engines in the winter. If the heat of fusion of water is 6003 J/mol and that of ethylene glycol is 10,998 J/mol, compute and plot (on the same graph) the following as a function of water mole fraction, xH2O:
a. The freezing points of ethylene glycol-in-water mixtures
b. The freezing points of water-in-ethylene glycol mixtures
For the purpose of this problem, you may assume ideal solutions. From the above analysis, what would be your recommendation to an automotive manufacturer regarding the molar composition of water and ethylene glycol to ensure the lowest possible freezing point? What would you estimate the corresponding freezing point to be?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
