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sergejj [24]
2 years ago
13

What happens in destructive distillation of coal when lime water is used instead of water???

Chemistry
1 answer:
ryzh [129]2 years ago
5 0

Answer:

i don't known i try my best in next question

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2.50 grams F2= _____ grams of F2
Setler79 [48]

Answer:

i think maybe 94.99201599999999

Explanation:

3 0
2 years ago
The half-life of C-14 is 5470 years. If a particular archaeological sample has one-quarter of its original radioactivity remaini
-Dominant- [34]
10940? Sorry if it isn’t correct
3 0
3 years ago
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Gyhgguuuyiiuyhjuhjiokjhgyhjiuh
Tasya [4]

Answer:

gyhgguuuyiiuyhjuhjiokjhgyhjiuh

Explanation:

lol

3 0
2 years ago
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Ammonia, NH 3 , may react with oxygen to form nitrogen gas and water. 4 NH 3 ( aq ) + 3 O 2 ( g ) ⟶ 2 N 2 ( g ) + 6 H 2 O ( l )
Alex Ar [27]

Answer:

The limiting reactant is NH₃

0.0186moles of N₂ are the one produced by the limiting reactant

0.020 moles of N₂ are the one produced by the reactant in excess

Explanation:

This is the reaction

4NH₃ + 3O₂  → 2N₂ + 6H₂O

We should calculate the moles of each reactant

Mass / Molar mass = Moles

3.55 g / 17g/m = 0.208 moles NH₃

5.33 g / 32g/m = 0.166 moles O₂

4 moles of ammonia react with 3 moles of oxygen

0.208 moles of ammonia react with (0.208  .3)/4 = 0.156 moles O₂

We have 0.166 moles of O₂ and we need 0.156 moles, so O₂ is the reactant in excess.

3 moles of O₂ react with 4 moles of NH₃

0.166 moles of O₂ react with (0.166 . 4)/ 3 = 0.221 moles

We have 0.208 moles NH₃ and we need 0.221, so NH₃ is the limiting reactant.

To know the moles of N₂, let's apply the Ideal Gas Law

P.V =n.R.T

1atm . 0.450L = n . 0.082 . 295K

0.450 / (0.082 .295) = 0.0186 moles

If we have 100 % yield reaction:

4 moles NH₃ make 2 moles N₂

0.208 moles NH₃ make (0.208  .2)/4 = 0.104 moles

So the % yield reaction is.

0.104 moles ___ 100%

0.0186 moles ___ 17.9%

0.0186moles of N₂ are the one produced by the limiting reactant.

3 moles of O₂ produce 2 moles N₂

0.166 moles O₂ produce  (0.166  .2)/3 = 0.111 moles

Now, we apply the yield.

100% ____ 0.111 moles

17.9% = 0.020 moles

8 0
2 years ago
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An example of hydrogen bonding would be the attractions between outer hydrogen atoms and the central nitrogen atom within the NH
marshall27 [118]

Answer:

The answer to your question is: false.

Explanation:

Hydrogen bonding is tha attraction of hydrogen atoms to the oxygen or nitrogen of a different molecule not between the atoms of the same molecule.

So this description of hydrogen bonding is incorrect.

7 0
3 years ago
Read 2 more answers
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