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February 2019

Considering the endothermic dissociation of CaCO3 in a closed vessel (CaCO3 ⇌ CaO + CO2), the pressure of CO2 increases, if____________________?

Considering the endothermic dissociation of CaCO3 in a closed vessel (CaCO3 ⇌ CaO + CO2), the pressure of CO2 increases, if____________________?

A. A catalyst is added
B. The temperature is increased
C. An inert gas is pumped keeg the temperature constant
D. None of these

Considering the endothermic dissociation of CaCO3 in a closed vessel (CaCO3 ⇌ CaO + CO2), the pressure of CO2 increases, if____________________? Read More »

Chemical Reaction

An exothermic reaction takes place in an adiabatic reactor. The product temperature ______________ reactor feed temperature?

An exothermic reaction takes place in an adiabatic reactor. The product temperature ______________ reactor feed temperature?

A. Is always equal to
B. Is always greater than
C. Is always less than
D. May be greater or less than

An exothermic reaction takes place in an adiabatic reactor. The product temperature ______________ reactor feed temperature? Read More »

Chemical Reaction

When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only _______________ the true value?

When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only _______________ the true value?

A. Twice
B. Half
C. Equal
D. None of these

When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only _______________ the true value? Read More »

Chemical Reaction