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swat32
3 years ago
15

Is the equation Ag2O ----> Ag+ O2 balanced

Chemistry
2 answers:
maw [93]3 years ago
4 0
Ok so simple 1Ag2O ---> 1Ag+1O2 do u understand how I got that????
natita [175]3 years ago
3 0
This is a decomposition reaction.
Silver has a charge of plus one, and oxygen has a charge of minus two. So this equation is not balanced. 
The first part is right. The two should be a subscript. The second part is not right and you should add the 2 to the Silver instead of the oxygen.
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When a scientific investigation runs for several years, which is most likely true?
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For the following reaction, 22.6 grams of nitrogen monoxide are allowed to react with 4.64 grams of hydrogen gas . nitrogen mono
antiseptic1488 [7]

Answer:

- 10.5 g of N₂

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First of all we state the reaction: 2NO(g) + 2H₂(g) → 2H₂O(l) + N₂(g)

We need to find out the limiting reactant and the excess reagent

Ratio in the reactants is 2:2. Let's convert the mass to moles:

22.6 g / 30 g/mol = 0.753 moles of NO

4.64 g / 2 g/mol = 2.32 moles of H₂

Certainly the limiting reagent is the NO and the excess reactant is the hydrogen:

- For 0.753 moles of NO, we need 0.753 moles of H₂ (we have 2.32 moles)

- For 2.32 moles of H₂, we need 2.32 moles of NO (and we don't have enough NO, because we only have 0.753 moles)

As the H₂ is the excess reagent, some moles still remains after the reaction is complete → 2.32 mol - 0.753 mol = 1.567 moles

We convert the moles to mass: 1.567 mol . 2g /1mol = 3.13 g of H₂ remains

As the NO is the limiting reagent, we can work with the equation:

We propose this rule of three: 2 moles of NO can produce 1 mol of N₂

Then, 0.753 moles of NO must produce (0.753 . 1) /2 = 0.376 moles of N₂

We convert the moles to mass 0.376 mol . 28 g / 1 mol = 10.5 g

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3 years ago
Amino acids are the building blocks of proteins. The simplest amino acid is glycine . Draw a Lewis structure for glycine. (Hint:
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Answer:

Sorry for the lack of precision, if you have any questions you can consult me again.

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