Chemical Engineering Thermodynamics In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? -94 kcal Zero > -94 kcal < - 94 kcal -94 kcal Zero > -94 kcal < - 94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The enthalpy change when ammonia gas is dissolved in water is called the heat of Combustion Solution Formation Dilution Combustion Solution Formation Dilution ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the degree of freedom for a system comprising liquid water equilibrium with its vapour? 3 0 2 1 3 0 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Consider the reaction, C + O₂ ⇋ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂? < -94 kcal -94 kcal + 94 kcal > 94 kcal < -94 kcal -94 kcal + 94 kcal > 94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An irreversible process Is the analog of linear frictionless motion in machines Yields the maximum amount of work Is an idealised visualisation of behaviour of a system Yields an amount of work less than that of a reversible process Is the analog of linear frictionless motion in machines Yields the maximum amount of work Is an idealised visualisation of behaviour of a system Yields an amount of work less than that of a reversible process ANSWER DOWNLOAD EXAMIANS APP
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