A rigid chamber is initially filled with 4.00 atm of N2 gas and 3.00 atm of O2 gas. After these react to form N2O(g) and the chamber returns to its original temperature, the final pressure in the chamber is ?

Respuesta :

Answer:

The final pressure in the chamber is 5 atm.

Explanation:

The balanced chemical reaction is:

2 N₂ (g) + O₂ (g) ⇒ 2 N₂O (g)

Initially, we have 4.00 atm of Nâ‚‚ gas and 3.00 atm of Oâ‚‚ gas. These are the partial pressures of each gas.

Nitrogen is the limiting reactant because it gives the fewest moles of reaction.

The initial state of the reaction is: 4.00 atm of Nâ‚‚ gas and 3.00 atm of Oâ‚‚

During the reaction, 4 atm of Nâ‚‚ and 2 atm of Oâ‚‚ are consumed to form 4 atm of Nâ‚‚O

Finally, 1 atm of Oâ‚‚ and 4 atm of Nâ‚‚O remain

[tex]\left[\begin{array}{cccc}&2N_2&O_2&2N_2O\\I:&4&3&-\\R:&-4&-2&+4\\F:&0&1&4\end{array}\right][/tex]

Total Pressure of the chamber:

[tex]P_T=P_{O_2}+P_{N_2O}[/tex]= 1 atm + 4 atm=5 atm

The final pressure in the chamber is 5 atm.