Physical Chemistry Answers

3 An ideal gas with a volume of 0,1 m³ expands isobarically at a pressure of 1,5 x10⁵ Pa

          to a treble volume .

list the procedure in determining the critical temperature of a liquid

what is the procedure for determining the critical temperature of a liquid

Which of the following statements are true for a battery? Select all that apply.

A. A primary battery cannot be recharged and secondary batteries are rechargeable.

B. The battery is dead when the reaction quotient, Q. equals the equilibrium constant, K C. The battery is dead when E = 0.

cell

D. When the battery reaction is at equilibrium, the battery produces a voltage. E. When the size of a battery is doubled, the voltage of the battery is doubled.

Q 4. Electronic spin resonance spectrum shows broad line around 1500 Gauss magnetic field when using 9.40GHz micro wave frequency.

a)   What is effective value for ge in this case for a free electron ge approximately equal to 2.

b)  What would be resonant magnetic field value if 20.0 GHz microwave frequency was used instead?

integrate x^2 e^x dx from o to infinity

The reaction between solid white phosphorus and oxygen produces solid tetraphosphurosdecoxide(P⁴010)

For a zero order reaction, the relationships between t1st 1/2 and t2nd 1/2 is

This figure shows partial miscible diagram of water and nicotine which has 2 consolute temperature (Tuc and Tlc). Calculate mass of water and nicotine in each phase if 10 g nicotine and 10 g water are mixed at 90oC and 1 atm.

What charge will be required to liberate t moles of hydrogen gas if dilute HCl is electrolysed using inert electrodes for 5 minutes ? Calculate the current required ?