KCET2012ChemistryThermodynamics (C)
Which of the following statements is true?
Options
- AThe total entropy of the universe is continuously decreasing
- BThe total energy of the universe is continuously decreasing
- CThe total energy of the universe remains constant
- DThe total entropy of the universe remains constant
Correct answer
C. The total energy of the universe remains constant
Step-by-step solution
Mole fraction in vapour phase aligned y_ &= p _ A x_ A p_ T &= p_ 1 3 5 3 p _ = 1 5 =0.2 aligned