Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is Negative None of these Zero Positive Negative None of these Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following liquid metals has the highest thermal conductivity? Molten lead Mercury Molten sodium Molten potassium Molten lead Mercury Molten sodium Molten potassium ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The standard Gibbs free energy change of a reaction depends on the equilibrium All of these Pressure Temperature Composition All of these Pressure Temperature Composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is 3 2 4 1 3 2 4 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The activity of an ideal gas is numerically __________ its pressure. Less than Data insufficient, can't be predicted More than Equal to Less than Data insufficient, can't be predicted More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal. -19.4 -30.2 55.2 -55.2 -19.4 -30.2 55.2 -55.2 ANSWER DOWNLOAD EXAMIANS APP
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