Choosing a reaction pathway (Edexcel GCSE Chemistry): Flashcards
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13 cards from this deck
What is a reaction pathway?
What is a reaction pathway?
Series of steps/reactions to produce a desired chemical product
What does percentage yield measure?
What does percentage yield measure?
How much of the reactants are successfully turned into desired product
What does atom economy measure?
What does atom economy measure?
How much of the reactants end up as product vs waste
Rate of reaction meaning
Rate of reaction meaning
How fast the reaction happens
Equilibrium position meaning
Equilibrium position meaning
How much of the reactants are converted to products in reversible reactions
Fermentation of sugars: yield
Fermentation of sugars: yield
15%
Fermentation of sugars: atom economy
Fermentation of sugars: atom economy
51.1%
Hydration of ethene: yield
Hydration of ethene: yield
95%
Hydration of ethene: atom economy
Hydration of ethene: atom economy
100%
More efficient method for ethanol production
More efficient method for ethanol production
Hydration of ethene
% ethene converted at one time in hydration
% ethene converted at one time in hydration
5%
Overall yield of hydration with recycling unreacted ethene
Overall yield of hydration with recycling unreacted ethene
95%
By-product from fermentation & potential atom economy if used
By-product from fermentation & potential atom economy if used
Carbon dioxide; could reach 100% atom economy