Using the information given in Table 3, calculate the standard enthalpy for the following reaction. (Table 3: Standard enthalpies of formation of different compound (AH°;) at 298K) i) the combustion of methane CH4(g)+ 202(g) → CO.(g) +2H;O(I) 11) the formation of nitrogen dioxide 2NO (g) + O2(g) → 2NO2(g) Table 3 Compound Enthalpy formation (AH) kJ/mol CH4(g) -74.85 CO:(g) -393.5 CO2(aq) -412.90 H2O(1) -285.80 H2O(g) -241.80 O(g) 249.40 O:(g) 0.00

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(d)
Using the information given in Table 3, calculate the standard enthalpy for the
following reaction. (Table 3: Standard enthalpies of formation of different compound
(AH°;) at 298K)
i)
the combustion of methane
CH4(g) + 202(g) →
CO2(g) +2H2O(1)
11)
the formation of nitrogen dioxide
2NO (g) + O2(g) → 2NO2(g)
Table 3
Compound
Enthalpy formation (AH) kJ/mol
CH4(g)
-74.85
CO2(g)
-393.5
CO2(aq)
-412.90
HO(1)
-285.80
H2O(g)
-241.80
O(g)
249.40
O(g)
0.00
Transcribed Image Text:(d) Using the information given in Table 3, calculate the standard enthalpy for the following reaction. (Table 3: Standard enthalpies of formation of different compound (AH°;) at 298K) i) the combustion of methane CH4(g) + 202(g) → CO2(g) +2H2O(1) 11) the formation of nitrogen dioxide 2NO (g) + O2(g) → 2NO2(g) Table 3 Compound Enthalpy formation (AH) kJ/mol CH4(g) -74.85 CO2(g) -393.5 CO2(aq) -412.90 HO(1) -285.80 H2O(g) -241.80 O(g) 249.40 O(g) 0.00
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