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Rom4ik [11]
3 years ago
11

Consider this reaction:

Chemistry
1 answer:
aalyn [17]3 years ago
3 0

Answer:

\large \boxed{\text{C. 112 L}}

Explanation:

We can use Avogadro's Law: Equal volumes of gases under the same conditions of temperature and pressure contain the same number of molecules.  

To say it another say, gases react in the same volume ratios as their coefficients in the balanced equation.

  H₂  +    Cl₂  ⟶ 2HCl

1 mol + 1 mol ⟶ 2 mol

  1 L  +   1 L    ⟶   2 L

Thus,

\text{Volume of HCl} = \text{56 L Cl}_{2}  \times \dfrac{\text{2 L HCl}}{\text{1 L Cl}_{2}} = \textbf{112 L HCl}\\\\\text{The volume of HCl is $\large \boxed{\textbf{112 L}}$}

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Calculate the pH of a solution prepared by mixing: (Show your work for these calculations) pk of acetic acid is 4.75 a. two mole
kupik [55]

Answer:

Explanation:

To calculate pH you need to use Henderson-Hasselbalch formula:

pH = pka + log₁₀ \frac{[A^-]}{[HA]}

Where HA is the acid concentration and A⁻ is the conjugate base concentration.

The equilibrium of acetic acid is:

CH₃COOH ⇄ CH₃COO⁻ + H⁺ pka: 4,75

Where <em>CH₃COOH </em>is the acid and <em>CH₃COO⁻ </em>is the conjugate base.

Thus, Henderson-Hasselbalch formula for acetic acid equilibrium is:

pH = 4,75 + log₁₀ \frac{[CH_{3}COO^-]}{[CH_{3}COOH]}

a) The pH is:

pH = 4,75 + log₁₀ \frac{[2 mol]}{[2 mol]}

<em>pH = 4,75</em>

<em></em>

b) The pH is:

pH = 4,75 + log₁₀ \frac{[2 mol]}{[1mol]}

<em>pH = 5,05</em>

<em></em>

I hope it helps!

7 0
3 years ago
Which produces oxygen-18 when it undergoes beta decay? A. oxygen-17 B. oxygen-18 C. fluorine-17 D. fluorine-18
inna [77]

Answer:

Option D. fluorine-18

Explanation:

The attached photo gives the explanation.

In the attached photo, A zX represent the atom that will undergo beta decay to produce oxygen–18.

After the calculation, A zX was found to be fluorine–18.

3 0
3 years ago
*BRAINLIEST BRAINLIEST
Lena [83]

Answer:

THE 3 third one

Explanation:

8 0
2 years ago
Which equation is used to help form the combined gas law?<br> eP, V, P, V, т.
alexdok [17]

Answer:

The combined gas law is formulated from PV/T =K.

Explanation:

The combined gas law comprises of Boyle's law, Charles's law and Gay lusaac's law. This laws were not discovered but simply put together considering other cases of ideal gas law. It states that if the amount of gas is left unchanged, the ratio between the pressure, volume, and temperature is constant.

7 0
3 years ago
Help me please!! help would be appreciated
valina [46]
I don’t know if this is right but I thing It’s B
6 0
3 years ago
Read 2 more answers
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