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erastovalidia [21]
3 years ago
5

When the common ion effect is in action, the equilibrium of a system will shift to: Select the correct answer below:

Chemistry
1 answer:
I am Lyosha [343]3 years ago
6 0

Answer:

a. decrease the amount of the common ion in the system

Explanation:

The correct option is - a. decrease the amount of the common ion in the system

Reason -

Adding a common ion decreases solubility, as the reaction shifts toward the left to relieve the stress of the excess product.

Adding a common ion to a dissociation reaction causes the equilibrium to shift left, toward the reactants, causing precipitation.

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Reason the Carbon Cycle is necessary to sustain life on Earth
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<span>Most living things on Earth are made of carbon.


Living things need carbon in order to live, grow, and reproduce.


Carbon is a finite resource that cycles through the Earth in many forms.


This makes carbon available to living organisms and remains in balance with other chemical reactions in the atmosphere and in bodies of water like ponds and oceans.</span>
6 0
3 years ago
Question 4 (1 point)
Rainbow [258]

а о

Explanation:

 The given cation:

           (Rf₂Al₂F₃)³⁺

The oxidation number gives the extent to which a specie is oxidized in a reaction.

This number is assigned based on some rules:

  • Elements in combined state whose atoms combines with themselves have an oxidation number of zero.
  • The charge carried on simple ions gives their oxidation number.
  • Algebraic sum of all the oxidation numbers of atoms in neutral compound is zero. In an ion with more than one kind of atom, the charge on it is the oxidation number.

for the specie given;

Known:

  oxidation number of Al = +3

                                      F = -1

                          charge = +3

    let the oxidation number of Rf = k

        2k + 2(3) + 3(-1) = +3

          2k + 6 - 3 = 3

            2k = 0

              k = 0

The oxidation state of rutherfodium is 0

learn more:

Oxidation state brainly.com/question/10017129

#learnwithBrainly

8 0
3 years ago
The advantage of a fixed pulley on a flag pole is that it______.
Finger [1]
Your answer would be A for your homework
6 0
3 years ago
An unknown material has a mass of 5.75 g and a volume of 7.5 cm3.
Shtirlitz [24]

Hey there!:

Mass = 5.75 g

Volume = 7.5 cm³

Therefore:

Density = mass / volume

D = 5.75 / 7.5

D = 0.7 g/cm³

Answer C

Hope that helps!

3 0
3 years ago
For each pair, predict which molecule has the greater molar entropy under the same conditions (assume gaseous species).c o 2, ca
larisa [96]
I used to know this. I don't really remember but is used to know it. Im in 6th grade now
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3 years ago
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