Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are Freon-12 Propane Ethyl chloride or methyle chloride NH₃ or CO₂ Freon-12 Propane Ethyl chloride or methyle chloride NH₃ or CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An isolated system can exchange __________ with its surroundings. Matter Neither matter nor energy Energy Both matter and energy Matter Neither matter nor energy Energy Both matter and energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The standard Gibbs free energy change of a reaction depends on the equilibrium Temperature All of these Pressure Composition Temperature All of these Pressure Composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a working refrigerator, the value of COP is always > 1 < 0 < 1 > 1 < 0 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boyle's law for gases states that P/V = constant, for any gas P ∝ 1/V, when temperature & mass of the gas remain constant P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature is constant P/V = constant, for any gas P ∝ 1/V, when temperature & mass of the gas remain constant P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is 4988.4 4364.9 30554 10373 4988.4 4364.9 30554 10373 ANSWER DOWNLOAD EXAMIANS APP