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expeople1 [14]
3 years ago
6

Write the equilibrium constant expression for this reaction: NH(aq)—>NH3(aq)+H+ (aq)

Chemistry
1 answer:
kicyunya [14]3 years ago
5 0

Answer:

k = \frac{[NH_3][H^+]}{[NH_4^+]}

Explanation:

The equilibrium constant of a reaction is defined as the ratio of the concentrations of products over concentrations of reactants powered to its coefficients. For the reaction:

aA + bB ⇄ cC + dD

The equilibrium constant, k, is written as:

k = \frac{[C]^c[D]^d}{[A]^a[B]^b}

For the reaction:

NH₄⁺(aq) ⇄ NH₃(aq) + H⁺(aq)

The equilibrium constant is:

k = \frac{[NH_3][H^+]}{[NH_4^+]}

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What is the mass of 2.5 mol of ca, which has a molar mass of g/mol
swat32
Atomic mass Ca = 40 a.m.u

1 mole Ca ----------- 40 g
2.5 mols Ca -------- ( mass Ca )

Mass Ca = 2.5 x 40 / 1

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hope this helps!
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3 years ago
The density of solid Cr is 7.15 g/cm3. How many atoms are present per cubic centimeter of Cr?
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To calculate the number of atoms of Cr, we first find the number of moles per unit of cubic centimeter of Cr. Then, use avogadros number for the number of atoms. Calculations are as follows:

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6 0
2 years ago
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Explanation:

The given data is as follows.

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Amount of liter present per day is as follows.

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It is given that dosage of chlorine will be as follows.

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