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Veseljchak [2.6K]
3 years ago
15

Which happens when a reversible reaction reaches a state of chemical equilibrium?

Chemistry
1 answer:
Klio2033 [76]3 years ago
3 0
Its remains the same rate
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Answer:

Electrons

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The electrons of the outermost energy level determine the energetic stability of the atom and its tendency to form chemical bonds with other atoms to form molecules. Under standard conditions, atoms fill the inner shells first, often resulting in a variable number of electrons in the outermost shell.

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What is th correct chemical symbol for nitrogen​
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3. The substance that is formed or we finish up with are called.​
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For each of the following circumstances, indicate whether the calculated molarity of NaOH would be lower, higher or unaffected.
irina [24]

Answer:

a)calculated molarity of NaOH would be lower

b) calculated molarity of NaOH would be lower

c) calculated molarity of NaOH would be lower

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Explanation:

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Since the reaction is 1:1, when the number of moles of HCl reacting with NaOH is low due to dilution, the calculated molarity of NaOH also becomes less than it's accurate value.

When 40mL of water is added to the titration flask rather than 25ml of water, the acid is more dilute hence less number of moles of acid than necessary reacts with the base thereby yielding a less than accurate value of the molarity of NaOH.

If the burette wet with water is not rinsed with NaOH solution, the concentration of the NaOH in the burette decreases due to dilution with water and a less than accuracy value is calculated for the molarity of NaOH.

If five drops of phenolphthalein is used instead of one or two drops, there is no qualms since enough phenolphthalein may be added to ensure that a sharp end point is obtained.

8 0
3 years ago
True or false, The atomic number of an element is a whole number that decreases as you read across each row of
torisob [31]

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I believe it's false because the atomic number is the number of protons in the nucleus of an atom.

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3 years ago
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