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  3. part a. calculate the enthalpy of the reaction 2no

Part A. Calculate the enthalpy of the reaction 2NO(g)+O2(g)?2NO2(g) given the following reactions and enthalpies of formation: 12N2(g)+O2(g)?NO2(g),   ?H?A=33.2...

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Chemistry

Part A. Calculate the enthalpy of the reaction

2NO(g)+O2(g)?2NO2(g)

given the following reactions and enthalpies of formation:

12N2(g)+O2(g)?NO2(g),   ?H?A=33.2 kJ

12N2(g)+12O2(g)?NO(g),  ?H?B=90.2 kJ

Part B. Calculate the enthalpy of the reaction

4B(s)+3O2(g)?2B2O3(s)

given the following pertinent information:

B2O3(s)+3H2O(g)?3O2(g)+B2H6(g),    ?H?A=+2035kJ

2B(s)+3H2(g)?B2H6(g),                            ?H?B=+36kJ

H2(g)+12O2(g)?H2O(l),                ?H?C=?285kJ

H2O(l)?H2O(g),                                          ?H?D=+44kJ

Answer & Explanation Solved by verified expert
4.3 Ratings (899 Votes)
Part A 2NOgO2g 2NO2g H 1given that12 N2gO2g NO2g H A 332 kJ 212 N2g12O2g NOg H B 902 kJ 3Equation 1 is    See Answer
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