Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Entropy changes Free energy of activation is higher Initial concentration of the reactants remains constant Free energy of activation is lower Entropy changes Free energy of activation is higher Initial concentration of the reactants remains constant Free energy of activation is lower ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is None of these Half of the residence time of a reaction Half of the space time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value None of these Half of the residence time of a reaction Half of the space time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Reaction rate of a first order reaction, which is half completed in 23 minutes will be 0.03 min⁻¹ 0.03 hr⁻¹ 0.05 min⁻¹ 0.03 sec⁻¹ 0.03 min⁻¹ 0.03 hr⁻¹ 0.05 min⁻¹ 0.03 sec⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a homogeneous reaction of nth order, the dimension of the rate constant is given by L/(time)n (concentration)1 - n/(time) None of these (concentration)n - 1/(time) L/(time)n (concentration)1 - n/(time) None of these (concentration)n - 1/(time) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two equal sized CSTR. The conversion is More when they are connected in parallel Less when they are connected in series More when they are connected in series Same whether they are connected in series or in parallel More when they are connected in parallel Less when they are connected in series More when they are connected in series Same whether they are connected in series or in parallel ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The energy of activation of a chemical reaction Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Both B and C Is the minimum energy which the molecules must have before the reaction can take place Is same as heat of reaction at constant pressure Varies as fifth power of the temperature Both B and C ANSWER DOWNLOAD EXAMIANS APP
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