Chemical Engineering Thermodynamics The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the Le-Chatelier's principle Lewis-Randall rule Statement of Vant-Hoff equation None of these Le-Chatelier's principle Lewis-Randall rule Statement of Vant-Hoff equation None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Zero Negative Infinity Unity Zero Negative Infinity Unity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic compression? Heating occurs Pressure is constant Temperature is constant Cooling occurs Heating occurs Pressure is constant Temperature is constant Cooling occurs ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat requirement for decomposition of a compound into its elements is __________ that is evolved during the formation of that compound from its elements. Less than Greater than The same Different than Less than Greater than The same Different than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of formation of an element in its standard state is > 0 A function of pressure < 0 > 0 A function of pressure < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance May increase or decrease; depends on the substance Increases Remains unchanged Decreases May increase or decrease; depends on the substance Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP