How much heat energy should be added to a mixture of `10 g` of hydrogen and `40 g` of helium to change the temp. by `50^(@)C` kept in a closed vessel? Given `R= 2 cal//mol e K`

How much heat energy should be added to the gaseous mixture consisting of 1 g of hydrogen and 1g of helium to raise it s temperature from 0^(@)C to 100^(@)C (a) at constant volume, b. at constant pressure (R = 2 cal//mol K) ?

How much heat energy should be added to the gaseous mixture consisting of 1 g of hydrogen and 1g of helium to raise it s temperature from 0^(@)C to 100^(@)C (a) at constant volume, b. at constant pressure (R = 2 cal//mol K) ?

How much heat should be supplied to convert ice of mass 50 g at 0^@C into water at 40^@ C ?

What is the pressure exerted by a mixture of 3.5 g of nitrogen and 2 g of helium when confined in a vessel of volume 40 liters at 0^(@)C ?

What is the presser exerted by a mixture of 3.5 g of nitrogen and 2 g of helium when confined in a vessel of volume 40 lires at 0^(@)C ?

(a) How much heat should be provided to ice of 720 g mass, lying at - 10^@C to melt it to water at 0^@C ? (b) How much heat should be provided to water at 0^@C to increase its temperature to 100^@C ?(c) How much heat should be given to water at 100^@C to transform it completely into water ? (d) Totally, how much heat should be given to ice of 720 g at -10^@C to convert it completely into vapour ? (C"ice"=2220 "J kg"^(-1) K^(-1), C"water"=4190 "J kg"^(-1) K^(-1) , LF=333 "kJ"/"kg", LV=2256 "kJ"/"kg" )

Calculate the total pressure in a mixture of 8g of oxygen and 4 g of hydrogen confined in a vessel of Idm^3 at 27^@C [R= 0 08 bar. dm_3. k^-1 mol^-1]