List of top Chemistry Questions on Thermodynamics asked in KEAM

5 moles of an ideal gas at $100,K$ are allowed to undergo reversible adiabatic compression till its temperature becomes $200,K$. If $C_v=30,J,K^{-1}mol^{-1}$, calculate $\Delta U$ and $\Delta (pV)$ for this process. $(R=8.0,J,K^{-1}mol^{-1})$

Which of the following reaction has the positive value of standard enthalpy of reaction?