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Ivanshal [37]
3 years ago
12

Houses with carpet are much quieter than houses with tile or hardwood floors because of sound wave

Chemistry
2 answers:
Vitek1552 [10]3 years ago
6 0
A) absporption :) hope it helps
Fed [463]3 years ago
5 0
I believe it would be absorption.
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Answer: K_{eq} for the reaction is 5.55

Explanation:

Equilibrium constant is the ratio of the concentration of products to the concentration of reactants each term raised to its stochiometric coefficients.

The given balanced equilibrium reaction is,

                        PCl_5(g)\rightleftharpoons PCl_3(g)+Cl_2(g)          

At eqm. conc.   (0.010) M     (0.15)  M   (0.37) M

The expression for equilibrium constant for this reaction will be,

K_c=\frac{[Cl_2]\times [PCl_3]}{[PCl_5]}

Now put all the given values in this expression, we get :

K_c=\frac{(0.37)\times (0.15)}{(0.010)}

K_c=5.55

Thus the K_{eq} for the reaction is 5.55

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What volume of 0.500 M nitric acid is needed to titrate 25.0 mL of 0.750 M calcium hydroxide to the endpoint?​
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