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LenKa [72]
3 years ago
13

Percentage of carbon in urea

Chemistry
1 answer:
ipn [44]3 years ago
7 0

Answer:

19.99% of urea is composed of carbon

plz mark brainliest✌️✌️

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3 years ago
Relate pH values of 9.1, 1.2, and 5.7 to hydronium and hydroxyl ion concentration.
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Explanation:

8 0
2 years ago
When 12 moles of methanol (ch3oh) and 24 moles of oxygen gas react according to the chemical equation below, what is the limitin
Nataliya [291]
The balanced reaction equation for the reaction between CH₃OH and O₂ is 
                        2CH₃OH(l) + 3O₂(g) → 2CO₂(g) + 4H₂O(l)
Initial moles        12                24
Reacted moles   12                18
Final moles          -                   6              12               24
 
The stoichiometric ratio between CH₃OH and O₂ is 2 : 3
Hence,
   reacted moles of O₂ = reacted moles of CH₃OH x (3/2)
                                      = 12 mol x 3 / 2  
                                      = 18 mol

All of CH₃OH moles react with O₂.

Hence, the limiting agent is CH₃OH. 

Excess reagent is O₂.
Amount of moles of excess reagent left = 24 - 18 mol = 6 mol
                                            
5 0
3 years ago
Which chemical family tends to get rid of electrons by forming a compound
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Explanation:

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Which of the following increases as you move up a column of the periodic table?
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