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Monica [59]
3 years ago
8

Calculate the temperature change that occurs when 254 cal of heat are added to 24 g of water

Chemistry
1 answer:
Tomtit [17]3 years ago
3 0
Hey

Calculate the temperature change that occurs when 254 cal of heat are added to 24 g of water
answer:  800
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Write the balanced equation for the equilibrium reaction for the dissociation ofsilver chloride in water, and write the K expres
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See explanation

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Hello there!

In this case, since the the concentrations are not given, and not even the Ksp, we can solve this problem by setting up the chemical equation, the equilibrium constant expression and the ICE table only:

AgCl(s)\rightleftharpoons Ag^+(aq)+Cl^-(aq)

Next, the equilibrium expression according to the produced aqueous species as the solid silver chloride is not involved in there:

Ksp=[Ag^+][Cl^-]

And therefore, the ICE table, in which x stands for the molar solubility of the silver chloride:

       \ \ \ \ \ \ \ \ \ \ \ \ \ \ AgCl(s)\rightleftharpoons Ag^+(aq)+Cl^-(aq)

I          -                   0             0

C        -                   +x           +x

E        -                    x             x

Which leads to the following modified equilibrium expression:

Ksp=x^2

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