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anzhelika [568]
1 year ago
5

In the reaction mg 2hcl right arrow. mgcl2 h2 which element’s oxidation number does not change? cl mg h

Chemistry
1 answer:
netineya [11]1 year ago
5 0

The correct answer is Cl.

Chlorine is a substance that's employed in industry and is present in a number of household goods. There are times when chlorine takes the form of toxic gas. Chlorine gas can be converted into a liquid by applying pressure and cooling so that it can be transported and stored. The term "oxidation number" refers to the number of electrons that an element's atom either loses or gains during the production of a compound. The charge that an atom seems to have when forming ionic connections with other heteroatoms is used to define an atom's oxidation number. Even if it develops a covalent bond, an atom with a higher electronegativity is given a negative oxidation state.

Learn more about oxidation numbers here:-

brainly.com/question/10079361

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A solution labeled "0.105 M NaOH" would contain ______________ moles of NaOH in each liter of solution.
koban [17]
It would contain 0.105M moles of NaOH in each liter of solution
5 0
2 years ago
What is the pH of a solution that has a [OH-] of 5.08x10^-5 M
sattari [20]

Answer:

The pH of a solution that has a [OH-] of 5.08x10^-5 M is 5

Explanation:

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2 years ago
Write the complete balanced equation for the reaction between CaCO3 and KCI
EleoNora [17]

CaCO3 + 2KCL ⇒ CaCl2 + K2CO3

It is balanced as so based on the charges given on the periodic table and polyatomic ions.

Calcium has the charge of 2 but CO3 also shares the same charge, thus cancelling that out.

Potassium has a charge of 1 while Chlorine also shares a charge of 1, also cancelling it out.

Thus, if it performs a double replacement reaction, they would take these charges to the new elements that do not cancel out their charges.

Therefore, we need the coefficient of 2 in front of Potassium Chloride in order to balance the equation as on the products side of the equation, Potassium and Chlorine both have a subscript of 2.

Hope this helps!

5 0
3 years ago
true or false. a less reactive halogen will displace a more reactive halogen from an aqueous solution of its salt.​
Strike441 [17]

Answer:

I think the answer is false

5 0
3 years ago
When considering free energy change, biochemists usually define a standard state, the biochemical standard state, which is modif
kodGreya [7K]

Answer:

The conditions for biochemical, chemical and both standard states are shown below

Explanation:

Chemical standard state:

Temperature is 25°

Intial concntration of reactants and products is 1M

g. Presurre is 1 atm.

PH7

Biochemical standard state:

Temperature is 25°

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Constant value of Mg2+

Both:

Intial concntration of reactants and products is 1M

g. Presurre is 1 atm.

Temperature is 25°

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7 0
2 years ago
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