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Luda [366]
2 years ago
6

A solution of ammonia NH3(aq) is at equilibrium. How would the equilibrium

Chemistry
1 answer:
alina1380 [7]2 years ago
4 0

<u>Answer:</u> The equilibrium will shift in the direction of NH_3

<u>Explanation:</u>

The chemical equation for the aqueous solution of ammonia follows:

NH_3+H_2O\rightleftharpoons NH_4^++OH^-

According to Le-chtelier's principle:

If there is any change in the variables of the reaction, then the equilibrium will shift in that direction of equilibrium to minimize the effect.

If we add more amount of NH_4^+ to the solution, more of the products will be present. But according to Le-chtelier's principle, to minimize this effect, the equilibrium will shift in the backward direction that in the direction of NH_3

Hence, the equilibrium will shift in the direction of NH_3

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Beaker A contains 2.06 mol of copper ,and Barker B contains 222 grams of silver.Which beaker the larger number of atom?
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Answer:

The number of copper atoms 12.405 ×10²³ atoms.  

The number of silver atoms  13.13 ×10²³ atoms.

Beaker B have large number of atoms.

Explanation:

Given data:

In beaker A

Number of moles of copper = 2.06 mol

Number of atoms of copper = ?

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Number of atoms of silver = ?

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we will solve this problem by using Avogadro number.

The number 6.022×10²³ is called Avogadro number and it is the number of atoms in one mole of substance.

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So,

63.546 g = 1 mole = 6.022×10²³ atoms

For 2.06 moles.

2.06 × 6.022×10²³ atoms

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For beaker B:

107.87 g = 1 mole = 6.022×10²³ atoms

For 222 g

222 g / 101.87 g/mol = 2.18 moles

2.18 mol × 6.022×10²³ atoms = 13.13 ×10²³ atoms

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