calculate the rho of the following reaction you have 3 attempts until the answer will be given y

First, we need to find the reactions that will help us form the given reaction. We can use the f

Question

Calculate the ΔrHo of the following reaction 4 HNO3(l) 4 NO2(g) + O2(g) + 2 H2O(g) Data: Species ΔfHo (kJ mol-1) 0.5 N2(g) + O2(g) NO2(g) 33.11 0.5 N2(g) + 1.5 H2(g) NH3(g) -45.91 S(s) + H2(g) H2S(g) -20.63 0.5 N2(g) + 0.5 H2(g) + 1.5 O2(g) HNO3(l) -174.1 2 C(s) + 3 H2(g) C2H6(g) -83.85 Ca(s) + 0.5 O2(g) CaO(s) -635.1 H2(g) + 0.5 O2(g) H2O(g) -241.83 S(s) + 1.5 O2(g) SO3(g) -395.77 N2(g) + 2 H2(g) N2H4(g) 50.59 C(s) + 2 H2(g) CH4(g) -74.87 ΔrHo = kJ mol-1 (at least 4 significant figures)

          Calculate the ΔrHo of the following reaction

4 HNO3(l)  4 NO2(g) + O2(g) + 2 H2O(g)

Data:	Species	ΔfHo (kJ mol-1)
0.5 N2(g) + O2(g)  NO2(g)	33.11
0.5 N2(g) + 1.5 H2(g)  NH3(g)	-45.91
S(s) + H2(g)  H2S(g)	-20.63
0.5 N2(g) + 0.5 H2(g) + 1.5 O2(g)  HNO3(l)	-174.1
2 C(s) + 3 H2(g)  C2H6(g)	-83.85
Ca(s) + 0.5 O2(g)  CaO(s)	-635.1
H2(g) + 0.5 O2(g)  H2O(g)	-241.83
S(s) + 1.5 O2(g)  SO3(g)	-395.77
N2(g) + 2 H2(g)  N2H4(g)	50.59
C(s) + 2 H2(g)  CH4(g)	-74.87
ΔrHo = 
 kJ mol-1 (at least 4 significant figures)

Added by Nimesha F.

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