bromine

Hi-Please explain as ELEMENTARY as possible Bromine is one of the only two elements that is liquid at room temp. Bromine has a heat vap of Hvap = 30.91kJ/mol and its boiling point is 59EC. What is the entropy of vaporization for bromine?

solvent

Please explain with the math being as elementary as possible A solution of 0.2113g of water dissolve in 25.0 g of a solvent freezes at 11.5 EC below the freezing point for the pure solvent. What is the K sub f for this solvent?

Boiling Point

Chloroform has a Hvap = 29.2 kJ/mol and has a Svap=87.5 J/(molK). What is the boiling point of chloroform in Celsius?

vapor pressure

Hi-Please explain as ELEMENTARYas possible-thank you(-:! A liquid has a heat of vaporization of 35.5kJ/mol and a boiling point of 122 EC at 1 atm. What is its vapor pressure at 109EC?

Molarity

Hi-Please explain all math as ELEMENTARY as possible-thanks. Ehylene glycol, C2H6O2 (MW=62.1mol) with density of 40.0mass % solution of ethylene glycol in water is 1.0514g/mL at 20EC. Calculate molality of solution. Calculate Molarity of solution.