7) Given the following three sequential reactions: O 2N2 g)+6H29 D Na(g) + 3H2(g) → 2NH3(2) (2) uemtQ4NH3 + 50,) 2) 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) 3) 2NO(g) + O2(g) → 2NO2(g) ( 2) O4NOg)+202g)→L What mass of hydrogen gas is needed to produce 108.0 kg of nitrogen dioxide?

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Please example why we multiply equations 1 and 2 by 2.

35 20.98mlHz 108.0kg x/000
7) Given the following three sequential reactions: 2 N2 q)+6H29)->NH3 eg)
1) N2(g) + 3H2(g) → 2NH;(2) (2)Buanc)4NH3 )+50, )+ GH2OG)
2) 4NH3(g) + 502(g) → 4NO(g) + 6H2O(g).
3) 2NO(g)+O2(g) → 2NO2(g) ( 2)
O4 NOg)+2029)→4NO2 9)
What mass of hydrogen gas is needed to produce 108.0 kg of nitrogen dioxide?
moles of NO2= 108000g
-234구.32 mal
108.0kg→9.
46.01g /mal
2347.32 mel NO2
6.0mel H2
X.
4.0mol NO2
= |08000g
3620.98mel H2
2.016 Az
= 7098. 30 g H2 1o00 =7.09Bkg
Transcribed Image Text:35 20.98mlHz 108.0kg x/000 7) Given the following three sequential reactions: 2 N2 q)+6H29)->NH3 eg) 1) N2(g) + 3H2(g) → 2NH;(2) (2)Buanc)4NH3 )+50, )+ GH2OG) 2) 4NH3(g) + 502(g) → 4NO(g) + 6H2O(g). 3) 2NO(g)+O2(g) → 2NO2(g) ( 2) O4 NOg)+2029)→4NO2 9) What mass of hydrogen gas is needed to produce 108.0 kg of nitrogen dioxide? moles of NO2= 108000g -234구.32 mal 108.0kg→9. 46.01g /mal 2347.32 mel NO2 6.0mel H2 X. 4.0mol NO2 = |08000g 3620.98mel H2 2.016 Az = 7098. 30 g H2 1o00 =7.09Bkg
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