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puteri [66]
3 years ago
15

Write a balanced chemical equation for the standard formation reaction of gaseous dinitrogen tetroxide n2o4 .

Chemistry
2 answers:
mixer [17]3 years ago
7 0

Answer and explanation;

-Dinitrogen tetroxide  is a dimer and a colorless toxic gas which results from the reaction between two nitrogen dioxide molecules (NO2) a process called dimerization.

-The Dimerization process occurs readily when there is high concentration of mixtures of NO2 or when NO2 condenses on surfaces or at very low temperatures.

The reaction is;

                2 NO2(g) → N2O4 (g)

eduard3 years ago
3 0
<span>Answer: 3 N2H4 (l) = 4 NH3 (g)+ N2 (g) 2 N2H4 (l) + N2O4 (g) =3 N2 (g)+ 4 H2O (g)</span>
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3 years ago
A solution of sodium chloride in water has a vapor pressure of 19.6 torr at 25°C. What is the mole fraction of NaCl in this solu
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Answer:

Mole fraction of Nacl is 0.173

Explanation:

we know that

P_{sol}=\chi_{solvent}P^0_{solvent}

where,

P sol  - the vapor pressure of the solution

χ  solvent - the mole fraction of the solvent

P ∘ solvent  - the vapor pressure of the pure solvent

This means that in order to be able to calculate the mole fraction of sodium chloride, you need to know what the vapor pressure of pure water is at  

25 ° C  You can use an online calculator to find that the vapor pressure of pure water at  25 C  is equal to about  23.8 torr .

\chi_{water}= \frac{P{sol}}{P^0{water}}

\chi_{water}= \frac{19.6}{23.8}

=0.827

Also we know that

\chi_{water}+\chi_{Nacl}= 1

This means that the mole fraction of sodium chloride is

χ_{Nacl}= 1-Χ_{water}

= 1-0.827 =0.173

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