Explain cyclohexane has a freezing point

Assignment Help Chemistry

Reference no: EM13499100

A.) Cyclohexane has a freezing point of 6.50 degrees C and a Kf of 20.0 degree C/m . What is the freezing point of a solution made by dissolving 0.463g of biphenyl (C12H10) in 25.0g of cyclohexane?

B.) Paradichlorobenzene (C6H4Cl2) , is a component of mothballs. A solution of 2.00 g in 22.5g of cyclohexane boils at 82.39 degrees C . The boiling point of pure cyclohexane is 80.70 degrees C . Calculate Kb for cyclohexane.

Reference no: EM13499100

Questions Cloud

Case study of incident : Case study of incident where arc flash is an hazard cause problems, damage in NON oil gas industry what is learnt from the incident,

Explain four numbers are estimates of the mass of an object : The following four numbers are estimates of the mass of an object: 5.20 g, 5.66 g, 6.10 g, and 5.35 g. What is the standard deviation to 2 significant figures

What is its velocity at the end of this time interval : A bas traveling at 25.0 m/s applies the brakes and decelerates uniformly at a rate of 1.2 m/s ? What is its velocity at the end of this time interval

How much force does the rope exert on the crate : Sally expends 10320 J of energy to drag a wooden crate 24.7 m across a floor with a constant speed. The rope makes an angle of 48.0° with the horizontal. How much force does the rope exert on the crate

Explain cyclohexane has a freezing point : Cyclohexane has a freezing point of 6.50 degrees C and a Kf of 20.0 degree C/m . What is the freezing point of a solution made by dissolving 0.463g of biphenyl (C12H10) in 25.0g of cyclohexane

How much work is done by brutus lifting the weights : Brutus, a champion weightlifter, raises 240 kg of weights a distance of 2.70 m. How much work is done by Brutus lifting the weights

Define the surroundings to the system : A piston performs 450 L*atm of irreversible work on the surrounding, while the cylinder in which it is placed expands from 10. L to 25L. At the same time, 45 J of hear is transferred from the surroundings to the system.

What is the work done on the refrigerator by the machine : A mover's dolly is used to transport a refrigerator up a ramp into a house. The refrigerator has a mass of 108 kg. What is the work done on the refrigerator by the machine

Call and write methods with parameters and return values : Call and write methods with parameters and return values.

User Account

All Pages