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san4es73 [151]
2 years ago
10

I need help on this may u help me?

Chemistry
1 answer:
sergij07 [2.7K]2 years ago
7 0

Answer:

just go to googel and it will tell you

Explanation:

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Write down the procedure for the test of presence of nitrogen in organic compound
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Answer:

The presence of nitrogen in the organic compound is detected by fusing organic compounds with sodium metal to give sodium cyanide (NaCN) soluble in water. This is converted into sodium ferrocyanide by the addition of sufficient quantities of ferrous sulphate.

Explanation:

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What do weather and climate have in common?
Anni [7]

Answer:

Both apply to a certain region

Choice C is correct

Explanation:

Weather refers to the atmospheric conditions of a given place over a short period of time, like a day.

On the other hand, Climate refers to the average climatic conditions of a particular region measured over a long period of time.

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If 4.70 L of CO2 gas at 22 ∘C at 789 mmHg is used, what is the final volume, in liters, of the gas at 37 ∘C and a pressure of 75
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Final Volume = 5.18 Liters

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Initial Condition:

P1 = 789 mm Hg x (1/760) atm /mm Hg = 1.038 atm

T1 = 22° C = 273 + 22 = 295 K

V1 = 4.7 L

Final Condition:

P2 = 755 mm Hg x (1/760) atm /mm Hg = 0.99 atm

T2 = 37° C = 273 + 37 = 310 K

V2 = ?

Since, (P1 x V1) / T1 =  (P2 x V2) / T2,

Therefore,

⇒ (1.038)(4.7) / 295 = (0.99)(V2) / 310

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