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Nata [24]
2 years ago
9

Write equations to show whether the solubility of either of the following is affected by pH:(b) Ca₃(PO₄)₂.

Chemistry
1 answer:
Vera_Pavlovna [14]2 years ago
8 0

<u>The </u><u>pH </u><u>of the solution is also </u><u>increased.</u>

<u></u>

What is pH and its importance?

  • pH is an important quantity that reflects the chemical conditions of a solution.
  • The pH can control the availability of nutrients, biological functions, microbial activity, and the behavior of chemicals.
  • The pH is then calculated using the expression: pH = - log [H3O+].

  • The solubility of an ionic compound is affected by the hydronium ion concentration.
  • Addition of H₃O⁺ to the anion of a weak acid, increases the solubility of the ionic compound.

Therefore, the pH of the solution is also increased.

Learn more about pH

brainly.com/question/491373

#SPJ4

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The [H+] in solution is 1.0 X 10-3 M. This solution is BEST classified as
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I’m not sure but I think the right is neutral or it’s could be acidic
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How many liters of oxygen gas, at standard temperature and pressure, will react with 25.0 grams of magnesium metal? Show all of
love history [14]
Given:
2 Mg + O2 → 2 MgO 
So,
<span>(25.0 g of Mg / 24.3051 g/mole) x (1/2) x (22.4 L/mole) = 11.5 L  of Oxygen will react with 25 grams of magnesium metal.</span>
8 0
4 years ago
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Calvin is practicing for a golf tournament. His normal driver distance is 250 yards. He hits three balls with his driver, and th
Oduvanchick [21]

Answer:

This question is incomplete as it lacks options; the options are:

A. His drives are both accurate and precise

B. His drives are precise but not accurate

C. His drives are accurate but not precise

D. His drives are neither accurate nor precise

The correct answer is B. His drives are precise but not accurate

Explanation:

The accuracy of a measurement refers to how close those measurements are to a true or accepted value. Note that, in this case, the normal driver distance of 250 yards is the TRUE OR ACCEPTED VALUE. Observing the three measured values for the driver's distance; 270 yards, 273 yards, and 269 yards, one would notice that these values are far apart from the true value of 250yards. Hence, these measurements are NOT ACCURATE.

On the other hand, PRECISION refers to how close measurements are to one another. In this case, 270yards, 273 yards, 269 yards are close to one another, hence that are said to be PRECISE.

Therefore, according to the measurements, it can be said that HIS DRIVES ARE PRECISE BUT NOT ACCURATE

3 0
3 years ago
The dehydrogenation of benzyl alcohol to make the flavoring agent benzaldehyde is an equilibrium process described by the equati
valkas [14]

Answer:

(a) p_{C6H5CH2OH}=2.14x10^{-3}atm

(b) Dissociation =0.99

Explanation:

Hello,

(a) In this case, for the given chemical reaction, the law of mass action becomes:

Kc=\frac{[C6H5CHO][H2]}{[C6H5CH2OH]}

In such a way, as 1.20 g of benzyl alcohol are placed into a 2.00-L vessel, the initial concentration is:

[C6H5CH2OH]_0=\frac{1.20g*\frac{1mol}{108.14g} }{2.00L} =5.55x10^{-3}M

Hence, by writing the law of mass action in terms of the change x due to equilibrium:

Kc=\frac{(x)(x)}{5.55x10^{-3}-x}=0.558

Solving for x by using a quadratic equation one obtains:

x=5.50x10^{-3}M

Thus, the equilibrium concentration of benzyl alcohol is computed:

[C6H5CH2OH]_{eq}=5.55x10^{-3}M-5.50x10^{-3}M=5x10^{-5}M

With that concentration the partial pressure results:

p_{C6H5CH2OH}=[C6H5CH2OH]_{eq}RT =5x10^{-5}\frac{mol}{L} *0.082\frac{atm*L}{mol*K}*523K \\p_{C6H5CH2OH}=2.14x10^{-3}atm

(b) Now, the fraction of benzyl alcohol that is dissociated relates its equilibrium concentration with its initial concentration:

Dissociation=\frac{C6H5CH2OH_{eq}}{C6H5CH2OH_0} =\frac{5.50x10^{-3}M}{5.55x10^{-3}M} =0.99

Best regards.

3 0
3 years ago
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belka [17]

Answer:

Me hizo sentir cohibido por mi apariencia porque me puse tan feo

Explanation:

También habibi (tu hermosa según quackity)

7 0
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