Derive the mathematical expression for first law of thermodynamics
Asked by admin @ in Physics viewed by 342 People
Derive first law of thermodynamics mathematically
Asked by admin @ in Physics viewed by 342 People
Derive first law of thermodynamics mathematically
Answered by admin @
First law of thermodynamics states that energy can neither be created nor be destroyed
The mathmetical formulation of first law of thermodynamics : Δ U = q + w
Where ,
Δ U = change is internal energy
q = heat
w = work done
Now , we are going to derive this equation or formula
Suppose ,
The initial internal energy of the system = U1
if it gain or absorbs heat q its internal energy will become
U1 + q
If further work w is done on the system , the internal energy will further increases and become
U1 + q + w
Consider , this final energy as U2
Then ,
Asked by admin @ in Physics viewed by 308 persons
Asked by admin @ in Physics viewed by 336 persons
Asked by admin @ in Physics viewed by 460 persons
Asked by admin @ in Physics viewed by 425 persons
Asked by admin @ in Physics viewed by 366 persons
Asked by admin @ in Physics viewed by 311 persons
Asked by admin @ in Science viewed by 318 persons
Asked by admin @ in Physics viewed by 306 persons
Asked by admin @ in Physics viewed by 360 persons
Asked by admin @ in Physics viewed by 336 persons
Asked by admin @ in Physics viewed by 287 persons
Asked by admin @ in Physics viewed by 302 persons
Asked by admin @ in Physics viewed by 305 persons
Asked by admin @ in Physics viewed by 324 persons
Asked by admin @ in Physics viewed by 365 persons
Asked by admin @ in Physics viewed by 11074 persons
Asked by admin @ in Physics viewed by 2673 persons
Asked by admin @ in Physics viewed by 1533 persons
Asked by admin @ in Physics viewed by 1518 persons
Asked by maham237 @ in Physics viewed by 1317 persons
Asked by maham237 @ in Physics viewed by 1206 persons
Asked by admin @ in Physics viewed by 1149 persons
Asked by maham237 @ in Physics viewed by 1101 persons
Asked by maham237 @ in Physics viewed by 1082 persons