Thermodynamics Terms

1%5C%2C%20g

of water

%5CRightarrow%201%20cc

of water Volume of liquid

%3DV_%7BL%7D%3D1%20c%20c%3D10%5E%7B-6%7D%20%5C%2Cm%20%5E%7B3%7D

Volume of vapours

%3DV_%7BV%7D%3D1671%5C%2C%20cc%20%3D1671%20%5Ctimes%2010%5E%7B-6%7D%20%5C%2Cm%20%5E%7B3%7D

%5CRightarrow%20%5CDelta%20V%3DV_%7BV%7D-V_%7BL%7D%3D1670%20%5Ctimes%2010%5E%7B-6%7D%20%5C%2C%20m%20%5E%7B3%7D

%5CRightarrow%20W%3Dp%20%5CDelta%20V%3D10%5E%7B5%7D%5Cleft(1670%20%5Ctimes%2010%5E%7B-6%7D%5Cright)%3D167%20%5C%2CJ

%5CRightarrow%20W%3D%5Cfrac%7B167%7D%7B4.18%7D%20cal%20%3D40%20%5C%2C%20cal

Further,

Q%3Dm%20L

%5CRightarrow%20Q%3D(1%20g)%5Cleft(540%5C%2C%20cal%5C%2C%20g%5E%7B-1%7D%5Cright)%3D540%20%5C%2C%20cal

According to first law of thermodynamics

Q%3D%5CDelta%20U%2BW

%5CRightarrow%20540%3D%5CDelta%20U%2B40

%5CRightarrow%20%5CDelta%20U%3D500%20%5C%2C%20cal

Chapter Questions
1 MCQs