Summary: Chemical Reaction Engineering
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Read the summary and the most important questions on Chemical Reaction Engineering
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1 Model Reactors
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What is the difference between Integral Selectivity and differential selectivity?
Integral selectivity compares the selectivity of a overall mass of a substance (macroscopic) in a reaction and differential selectivity compares the selectivity of a nett mass production rate of a reaction -
What does Yield mean in a chemical reaction?
Yield refers to the amount of product obtained from a reaction.and evaluates efficiency of a reaction. -
What does the residence time mean in a (model) reactor?
In a reactor, residence time refers to how long reactants stay in the reaction vessel.- It influences conversion and yield of products.
- Calculated by dividing volume of the reactor by flow rate.
- Longer residence times allow more time for reactions to occur.
- Essential for designing and operating the reactor efficiently.
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Why do we need reaction kinetcis for chemical reaction?
Understanding reaction kinetics is crucial for several reasons:- Determines reaction rates.
- Helps in predicting product formation.
- Optimizes industrial processes.
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Why do we need a mass/molar balances for chemical reactions?
Mass/molar balances are essential for:- Determining reactants and products amounts
- Ensuring conservation of mass
- Optimizing reactions for efficiency
- Analyzing processes and yields
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What does chemical equilibrium mean?
At equilibrium the foward and backward reaction are equally fast; the net conversion rate equals zero. -
What is the unit of k in 2nd order reaction?
m3/mole*s -
What is the unit of k in zero order reaction?
Mole/m3*s -
What is the unit of k in the n-th order reaction?
m^3(n-1) * mole^-(n-1) * s^-1 -
What is the (standard) formula of a balance
Accumulation = in - out + production
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