Chemical Reaction Engineering Quiz: First-order Reaction in Different Reactor Types

For the multiple reactions 2A + R 2R + S, if initially there are 2 moles of A present and the number of moles of A and R at equilibrium are 0.3 and 0.5 respectively, what is the number of moles of S present?

If the rate constant of a chemical reaction increases by a factor of 100 when the temperature is raised from 400 K to 500 K, and assuming the transition state theory is valid, what is the approximate value of the activation energy ($E_a$) divided by the gas constant ($R$)?

In the reaction A + B R + S, where R is the desired product and S is an unwanted side product, which combination of reactant concentrations should be used to maximize the conversion of A to R?

Given the rate data for the reaction A + B C + D at different temperatures, what is the approximate activation energy ($E_a$) of this reaction?

For the reaction A B conducted in an isothermal batch reactor, if the conversion of A increases linearly with holding time, what is the order of the reaction?

At elevated temperatures, acetaldehyde (CH$_3$CHO) undergoes a gas-phase decomposition reaction. What are the products of this reaction?

In the reaction scheme: A + B R (desired product), with rate $r_1 = k_1 C_A C_B^2$, and A S (unwanted side product), with rate $r_2 = k_2 C_A$, which statement is correct?

A reversible reaction A + B C + D is carried out in a constant-volume batch reactor. Which of the following statements is true?

In a consecutive reaction A B C, if the rate constant for the first step ($k_1$) is much larger than the rate constant for the second step ($k_2$), what can be said about the concentration of the intermediate species B?