All Questions
4
questions
5
votes
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553
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What does the equilibrium constant mean for reactions with very small concentrations?
When you calculate the equilibrium constant for a reaction with a higher concentration of reactants, the answer is fairly intuitive. For example, for the reaction:
$$\ce{A + B <=> C}$$
when we ...
0
votes
1
answer
273
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Why doesn't hydroxide concentration equal concentration of carbonic acid and bicarbonate in a sodium bicarbonate solution?
To find the pOH of solution of $\pu{0.42 M}$ of $\ce{NaHCO3}$, given a $\ce{Kb}$ of $\pu{2.4E-8}$, my solution manual does the following steps:
Reaction is similar to : $\ce{HCO3- + H2O <=> ...
1
vote
1
answer
598
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Percent composition by volume of the reaction H2 + Br2 <=> 2HBr
For the reaction $\ce{H2(g) + Br2(g) <=> 2HBr(g)}$ at a certain temperature, $K=1$. Determine the composition (in per cent by volume) of the equilibrium reaction mixture if the initial mixture ...
0
votes
1
answer
67
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Concentration and volumes
In the reaction:
$$\ce{H2SO4 +CaCO3 \to CO2 + H2O + CaSO4}$$
Does altering the concentration of the sulfuric acid change the volume of the carbon dioxide produced [the volume of the sulfuric acid is ...