Physical Chemistry Answers

The mass of eight particles, in mg in a sample are given below.
particle No. 1 2 3 4 5 6 7 8
mass of particle 25 26 22 19 20 27 24 25
Determine the mean mass and root mean mass of the system.

The second virial coefficient for Ar gas at 273K and 600K are -21.7cm^3 mol^(-1) and 11.9cm^3 mol^(-1). Using virial equation, calculate the molar volume at each temperature at 1.2 atm pressure. And calculate the compressibility factor of Ar gas under each condition specified. And Determine which temperature provides behavior close to that of a perfect gas.

Describe the various laws of photochemistry.

How many constituents are there in NaCl solution?

The molar volume Vm=22.09dm^3 mol^-1 for Ar gas at 0 degrees Celsius and 1 atm. Calculate the second virial coefficient of Ar under those conditions. Propose a method calculate the third virial coefficient of Ar.

A mixture of 40.0g of O2 gas and 55.0g of CO2 gas in a rigid, closed container at 300K. The total pressure in the container is 3.15 atm. Calculate the partial pressure of each gas in the mixture in ppm and SI Units.

Given the thermochemical equation :

2 N a N subscript 3 left parenthesis s right parenthesis space rightwards arrow 2 N a left parenthesis s right parenthesis space plus 3 N subscript 2 left parenthesis g right parenthesis space space space increment H to the power of theta equals plus 42.7 k J.

What is the value of increment H to the power of thetafor the preparation of 1.50 kg of N2(g)?

Give at least three examples of properties of a solution that depend on the concentration, but not the type of particle presents as solute

Calculate the entropy of mixing when 2.00 mol of H2 are mixed with 3.00 mol of N2 assuming that no chemical reaction accur between them

Explain morse potential energy curve