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. -30.2 55.2 -19.4 -55.2 -30.2 55.2 -19.4 -55.2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compound having large heat of formation is Less stable Either more or less stable ; depends on the compound Not at all stable (like nascent O₂) More stable Less stable Either more or less stable ; depends on the compound Not at all stable (like nascent O₂) More stable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The free energy change for a chemical reaction is given by (where, K = equilibrium constant) T lnK -R lnK RT lnK -RT lnK T lnK -R lnK RT lnK -RT lnK ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The kinetic energy of gas molecule is zero at 0°C 100°C -273°C 273°C 0°C 100°C -273°C 273°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, nRT In P₁/P₂ , is for the____of an ideal gas. Work done under isothermal condition Work done under adiabatic contition Co-efficient of thermal expansion Compressibility Work done under isothermal condition Work done under adiabatic contition Co-efficient of thermal expansion Compressibility ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will Decrease Increase Remain unaltered Increase or decrease ; depends on the particular reaction Decrease Increase Remain unaltered Increase or decrease ; depends on the particular reaction ANSWER DOWNLOAD EXAMIANS APP
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