Chemical Engineering Thermodynamics In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is More Unpredictable; depends on the particular reaction Same Less More Unpredictable; depends on the particular reaction Same Less ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In an isothermal process on an ideal gas, the pressure increases by 0.5 percent. The volume decreases by about __________ percent. 0.5 0.75 0.25 1 0.5 0.75 0.25 1 ANSWER DOWNLOAD EXAMIANS APP
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 Decrease First fall and then rise Remain unchanged Increase Decrease First fall and then rise Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ law of thermodynamics ascertains the direction of a particular spontaneous process. Third First Second Zeroth Third First Second Zeroth ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is 320, 000 kW 100, 000 kW 160, 000 kW 200, 000 kW 320, 000 kW 100, 000 kW 160, 000 kW 200, 000 kW ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in An open system of constant composition An open system with changes in composition A closed system with changes in composition A closed system of constant composition An open system of constant composition An open system with changes in composition A closed system with changes in composition A closed system of constant composition ANSWER DOWNLOAD EXAMIANS APP