Chemical Engineering Thermodynamics Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will Increase First fall and then rise Remain unchanged Decrease Increase First fall and then rise Remain unchanged Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is May be positive or negative Negative Zero Positive May be positive or negative Negative Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Consider the reaction, C + O₂ ⇋ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂? > 94 kcal -94 kcal < -94 kcal + 94 kcal > 94 kcal -94 kcal < -94 kcal + 94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It takes place isothermally It is exothermic It takes place at constant volume It is isenthalpic It takes place isothermally It is exothermic It takes place at constant volume It is isenthalpic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of an __________ process, the temperature of the system increases. Isothermal expansion Isothermal compression Adiabatic compression Adiabatic expansion Isothermal expansion Isothermal compression Adiabatic compression Adiabatic expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 1m³ of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be 154 K 274 K 174 K 35 K 154 K 274 K 174 K 35 K ANSWER DOWNLOAD EXAMIANS APP