What will be the minimum pressure required to compress `500 dm^3` of air at 1 bar to `200 dm^3` at `30^@C`?

Calculate the constant external pressure required to compress 2 moles of an ideal gas from volume of 25 dm^3 to 13 dm^3 when the work obtained is 4862.4 J.

Calculate the pressure in atm of 1.0 mol of helium in a 2.0 dm^3 container at 20.0^@C .

Calculate the mass of potassium chlorate required to librate 6.72 dm^3 of oxygen at STP, molar mass of potassium chlorate is 122.5 g /mol .

Calculate the volume of hydrogen required for hydrogenation of 0.60 dm^3 of ethylene at NTP.

Calculate the pressure in atm of 1.0mole of helium in a 2.0dm^3 container at 20^@ C solution:

What will be the value of pH of 0.01 mol dm^-3 CH_3COOH (K_a = 1.74 xx 10^-5) ?

In an isothermal and reversible process, 1.6 xx 10^-2 kg of O_2 expands from 10 dm^3 to 100 dm^3 at 300 K. The work done in this process is ___________ .