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Problem- what is the vapor pressure of an aqueous solution at 75 degrees Celsius containing 60 g of urea (mw= 60g/mol) in 180 g of water? The vapor pressure of water is 290 mmHg
a) 29 mmHg
b) 100 mmHg
c) 150 mmHg
d) 190 mmHg
e) 260 mmHg
Give your answer with short explanation
Explain what is the molecular formula of the substance whose molecular mass is 78.12 and whose empirical formula mis CH.
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Use Huckel molecular orbital theory to answer the following questions. Express energies as functions of the parameters α and β.
Find the number of moles of water that can be formed if you have 150mol of hydrogen gas and 70mol
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