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forsale [732]
2 years ago
13

If the concentrations of a weak acid and its conjugate base are increased from 0.1 M and 0.05 M, respectively, to 0.2 M and 0.1

M, the solution's buffer capacity will _________.
Chemistry
1 answer:
givi [52]2 years ago
7 0

If we increase the concentrations of a weak acid and its conjugate base by the amounts shown,  the buffer capacity will remain the same.

<h3>What is buffer capacity?</h3>

The term buffer capacity is generally used to describe how much of the acid or base that can be neutralized by a buffer before there can be a change in the pH.

In this case, if we increase the concentrations of a weak acid and its conjugate base by the amounts shown,  the buffer capacity will remain the same.

Learn more about Buffer capacity:brainly.com/question/24188850

#SPJ1

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Q = 114349.5 J

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Hello there!

In this case, since this a problem in which we need to calculate the total heat of the described process, it turns out convenient to calculate it in three steps; the first one, associated to the heating of the liquid water from 40 °C to 100 °C, next the vaporization of liquid water to steam at constant 100 °C and finally the heating of steam from 100 °C to 115 °C. In such a way, we calculate each heat as shown below:

Q_1=45g*4.18\frac{J}{g\°C}*(100\°C-40\°C)=11286J\\\\Q_2=45g* 2260 \frac{J}{g} =101700J\\\\Q_3=45*2.02\frac{J}{g\°C}*(115\°C-100\°C)=1363.5J

Thus, the total energy turns out to be:

Q_T=11286J+101700J+1363.5J\\\\Q_T=114349.5J

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