Organic Chemistry Answers

1. A handbook lists the normal boiling point of an organic liquid as 42.6 Celsius and it’s enthalpy of vaporization as 24.9 kJ/mol. Calculate the vapor pressure in torr of this compound at 25.0 Celsius

2. Hydrazine N2H4 has a normal boiling point of 113.5 Celsius and a critical point at 380.0 Celsius and 145.4 atm. Estimate the vapor pressure of hydrazine at 75.0 Celsius (treat the critical point as last point on the vapor pressure curve)

3. The normal boiling point of a liquid is 214.1 Celsius and it’s enthalpy of vaporization at the normal boiling point is 68.2 kJ/mol. At what temperature will the liquid have a vapor pressure of 475.0 torr?

1. How many kmols are in 890 cg of sodium phosphate?
2. How many pg are in 365 amol of potassium perchlorate?
3. How many damol are in 1000 dg of arsenic ( III ) sulfide?
4. How many hg are in 740.00 fg of barium hydroxide?

A bar has a sign saying all mixed drinks contain 1.25 oz of alcohol. Using the equivalences 16 oz = 1 lb ; 1 lb = 454 g ; 0.789 g alcohol = 1 mL, what is the volume of the drink in mL if the drink is 11.2 % alcohol by volume (X mL alcohol = 100 mL drink)?

What is the mass of the solute present in 2 liters of a 3.5 M Fe2O3 solution?

Explain the electrocyclic and sigmatropic reaction in detail. .

Write down the mechanism of electrophilic substitution reaction in nitrobenzene.

Explain in detail the electrophilic aromatic substitution reaction of aryl amine.

Explain the mechanism Of electrophilic aromatic substitution reaction of phenol and also explain why OH group in panel act as Ortho & para director

Which of the following doesn't undergo dimerisation
A)cyclotetrene
B)Cyclotetra-1,3-di-ene
C)benzene
D)naphthalene

What is produced when a polypeptide chain is hydrolyzed?