17 Questions
What type of reaction occurs between carboxylic acids and bases?
Neutralization reaction
What is the product when a carboxylic acid reacts with a hydroxide?
Salt and water
Which compound is produced when methanoic acid reacts with potassium hydroxide?
Potassium methanoate
What is the name of the solid formed when ethanedioic acid reacts with lithium hydroxide?
Lithium oxalate
In the reaction between carboxylic acids and carbonates, what is a common product produced apart from salt and water?
Carbon dioxide
What is the value of Kc for the reaction CH3COOH + CH3CH2OH ⇌ CH3COOCH2CH3 + H2O?
4.12
If the moles of CH3CH2OH at equilibrium are 0.33, what are the moles of CH3COOH?
0.33
How does an increase in temperature affect the value of Kc for an exothermic reaction?
Kc decreases
What would happen to the value of Kc if the concentration of CH3COOCH2CH3 is doubled?
Kc is doubled
What is the effect on Kc if more water is added to the system in the given reaction?
Kc remains unchanged
In which type of reaction does increasing temperature cause Kc to increase?
Endothermic reactions
What is the value of the equilibrium constant Kc for the reaction provided?
11.4
Why is it stated that the volume V need not be known in calculating the value of Kc?
Volume cancels out in the equilibrium constant expression.
If the volume of the system is increased, what effect, if any, would it have on the equilibrium constant Kc?
Kc remains unchanged
What happens to the value of Kc if the temperature is increased for an exothermic reaction?
Kc decreases
How many moles of water are present in the equilibrium mixture?
0.26
What type of derivatives are acyl chlorides and acid anhydrides considered to be?
Electrophilic derivatives
Test your knowledge on calculating the number of moles and equilibrium constant (Kc) for a chemical reaction. Practice determining moles of reactants and products, explaining why volume is not needed for Kc calculation, and deducing the value and units of Kc.
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