Chemical Engineering Thermodynamics The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy. Either B or C; depends on the type of alloy Less than Equal to More than Either B or C; depends on the type of alloy Less than Equal to More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Specific __________ does not change during phase change at constant temperature and pressure. Internal energy Enthalpy Entropy Gibbs energy Internal energy Enthalpy Entropy Gibbs energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Contracts Does not change in volume Either A, B or C Expands Contracts Does not change in volume Either A, B or C Expands ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Negative Infinity Zero Positive Negative Infinity Zero Positive ANSWER DOWNLOAD EXAMIANS APP
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 None of these Statement of Vant-Hoff equation Lewis-Randall rule Le-Chatelier's principle None of these Statement of Vant-Hoff equation Lewis-Randall rule Le-Chatelier's principle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be Same One fourth of its original value Doubled Halved Same One fourth of its original value Doubled Halved ANSWER DOWNLOAD EXAMIANS APP
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