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kkurt [141]
3 years ago
13

Cu+k.HNO3 --> Cu(No3)2+..........+...........

Chemistry
1 answer:
pentagon [3]3 years ago
4 0

Answer:

Cu + HNO3 → Cu(NO3)2 + <u>H2O</u> + <u>NO2</u>

Cu + 4HNO3 → Cu(NO3)2 + <u>2H2O</u> + <u>2NO2 </u>(balanced equation)

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The combustion method used to analyze for carbon and hydrogen can be adapted to give percentage N by collecting the nitrogen fro
12345 [234]

Answer:

The percentage of N in the compound is 0.5088

Explanation:

Mass of compound = 8.75 mg = 8.75×1000 = 8750 g

Mass of N2 = number of moles of N2 × MW of N2 = 1.59 × 28 = 44.52 g

% of N in the compound = (mass of N2/mass of compound) × 100 = (44.52/8750) × 100 = 5.088×10^-3 × 100 = 0.5088

6 0
3 years ago
How many liters are there in 28g of B?
Juliette [100K]
Hi
The volume is 58.1
The moler mass is 10.8
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5 0
3 years ago
Why do nitrogen and oxygen form negative ions, not positive ones, in simple binary compounds.
gavmur [86]

Answer:

it is easier for them to have an octet of electrons(8e)

Each ion will: obtain the noble gas structure, each atom has high ionization energy

Explanation:

.

5 0
2 years ago
When there is a shifting of party allegiances within the electorate, it is called?
IgorLugansk [536]

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8 0
2 years ago
The unfolding of a protein by heat or chemical treatment is referred to as
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Answer:

14

Explanation:

6 0
3 years ago
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