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Lemur [1.5K]
2 years ago
12

If an acid is added to different samples of buffered water, the sample with the

Chemistry
2 answers:
Eddi Din [679]2 years ago
5 0

Answer:

react with acid that is added and make a base

Explanation:

Buffer solutions are made when a solution of weak acid is mixed with its conjugate base.

Here the buffer solution will react with the strong acid .

Helen [10]2 years ago
3 0

Answer:

<h3><u>A). react with acid that is added and make a base.</u></h3>

explanation:

<em>Buffer solutions resist a change in pH when small amounts of a strong acid or a strong base are added.</em>

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For the reaction 3h2(g) + n2(g) 2nh3(g), kc = 9.0 at 350°c. calculate g° at 350°c.
miss Akunina [59]
When ΔG° is the change in Gibbs free energy

So according to ΔG° formula:

ΔG° =  - R*T*(㏑K)

here when K = [NH3]^2/[N2][H2]^3 = Kc 

and Kc = 9 

and when T is the temperature in Kelvin = 350 + 273 = 623 K

and R is the universal gas constant = 8.314 1/mol.K

So by substitution in ΔG° formula:

∴ ΔG° = - 8.314 1/ mol.K * 623 K *㏑(9)

           = - 4536 
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3 years ago
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