08 Question (1 point) a See page 293 In some aquatic ecosystems, nitrate (NO3\")

Question

08 Question (1 point) a See page 293 In some aquatic ecosystems, nitrate (NO3") is converted to nitrite (NO2). which then decomposes to nitrogen and water. As an example of this second reaction, consider the decomposition of ammonium nitrite NH4NO2(aq) N, (g) + 2H20(1) 2nd attempt 1st attempt Feedback hd See Periodic Table See Hint What would be the change in pressure in a sealed 10.0 L vessel due to the formation of N2 gas when the ammonium nitrite in 2.00L of 1.50 M NH4NO2 decomposes at 25.0°C? 7.34atm 6OF 41QUESTIONS COMPLETED VIEW SOLUTION SUBMIT ANSWER /41 10e @w® e arch

Explanation / Answer

Solution-We have

NH4NO2 --> N2 + 2 H2O

Let us assume that whole of it decomposes.

moles of N2 formed=2*1.50

=3 moles

Now by using the gas equation,

PV=nRT,here n= no. of moles and T= temp. °K

P=3*0.0821*298/8
or P=9.17 atm

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