-41111 mum Digtal O dital wwnrton.com es here, select sthen , and drag to the Fa

Question

-41111 mum Digtal O dital wwnrton.com es here, select sthen , and drag to the Favorites Bat folder Or import trom another browser. Import favonites 10/24/17 1student mcneese In some aquatic ecoaystems, nitrate NO is converted to nitrite INO ), which then decomposes to nitrogen and water. As an example of this second reaction, consider the decomposition of ammonium nitrite 1st attempt i See Periodic Table See Hint What would be the change in pressure in a sealed 100L vessel due to the formation of N, gas when the ammonium nitrite in 1.60Lof 1.10 MNH NO, decomposes at 25.0 C? atn 3OF 10QUESTIONS COMAERD pe here to search

Explanation / Answer

find change in P

if

V = 10 L,

P1 = 1 atm assumed

P2 = from ideal gas law

mol of NH4NO3 = MV= 1.1*1.6 = 1.76 mol of NH4NO3

then

1.76 mol of N2 expected

note that

Vfree for gas = 10-1.6 = 8.4 L

PV = nRT

P = nRT/V= (1.76)(0.082*298)/(8.4) =  5.119 atm

assume Pinitial = 1 atm

so the chang ein P

Ptotal = 5.119-1 = 4.119 atm

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