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allochka39001 [22]
3 years ago
14

Tanggung jawab kabinet​

Chemistry
1 answer:
lara31 [8.8K]3 years ago
8 0

Answer:

djjdjd

Explanation:

jrjrndjdjjdjjdjdjdjdjdjrjjrjr

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A reaction between liquid reactants takes place at in a sealed, evacuated vessel with a measured volume of . Measurements show t
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The given question is incomplete, the complete question is:

A reaction between liquid reactants takes place at 10.0 °c in a sealed, evacuated vessel with a measured volume of 35.0 L. Measurements show that the reaction produced 28. g of dinitrogen difluoride gas. Calculate the pressure of dinitrogen difluoride gas in the reaction vessel after the reaction. You may ignore the volume of the liquid reactants. Round your answer to 2 significant digits. pressure:atm

Answer:

The correct answer is 0.28 atm.

Explanation:

The temperature mentioned in the given reaction is 10 degree C, which after conversion becomes 283 Kelvin (273+10 = 283K).  

The volume mentioned in the reaction is 35 Liters.  

The reaction produced 28 grams of dinitrogen difluoride gas (N2F2). The n or the no of moles of the gas can be determined with the help of the formula:  

moles of N2F2 = mass/molar mass

= 28/66 (molar mass of N2F2 is 66 g/mol)

= 0.424

The pressure of the gas can be determined by using the equation of the ideal gas law, that is, PV = nRT

P * 35 = 0.424 * 0.0821 * 283

P = 0.28 atm

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