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jek_recluse [69]
3 years ago
11

__Mg + __Fe2O3 -> __MgO + __Fe

Chemistry
1 answer:
Anika [276]3 years ago
7 0

Answer:

Your correct answer is A. 1,2,1,2

Explanation:

Please mark brainliest!

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Arrange the following solution in the increasing order of their H+ ion concentration?
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Answer:

H2CO3,HCl

Explanation:

the rest are not acids but I arrange the acids based on their number of hydrogen

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Choose the mole ratio below that is INCORRECT based on the given balanced equation:
sdas [7]

Answer:

4 moles CO₂ = 4 moles O₂

Explanation:

The incorrect mole ratio is 4 moles CO₂ = 4 moles O₂.

 Let us write the reaction equation:

          2C₂H₅OH + 7O₂ → 4CO₂ +  6H₂O

To write mole ratios in a chemical reaction, we must ensure the equation is balanced.

Since the given expression is balanced,

   Then 4 moles CO₂ = 4 moles O₂ is not correct;

 Rather;

            4 moles CO₂ = 7 moles O₂ is the right expression

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2 years ago
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