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Questions and Answers
In the given thermochemical data, if N2O5(g) is formed instead of N2O5(s) in the reaction, what will be the value of ΔrH?
In the given thermochemical data, if N2O5(g) is formed instead of N2O5(s) in the reaction, what will be the value of ΔrH?
- +111 kJ
- -57 kJ (correct)
- -111 kJ
- +57 kJ
What is the enthalpy of formation of ion at 25ºC?
What is the enthalpy of formation of ion at 25ºC?
- -22.88 kJ
- -343.52 kJ
- +228.88 kJ (correct)
- -228.88 kJ
What is the average bond enthalpy of N—H bond in NH3?
What is the average bond enthalpy of N—H bond in NH3?
- +352 kJ mol–1
- -1102 kJ (correct)
- +1056 kJ mol–1
- -964 kJ mol–1
In the context of ΔrG° signs for the reactions involving lead and tin, what are the signs for lead and tin in the reactions?
In the context of ΔrG° signs for the reactions involving lead and tin, what are the signs for lead and tin in the reactions?
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What is the value of internal energy change for the reaction C2H5OOH(1) + 3O2(g) 2CO2(g) + 3H2O(1) at 27ºC?
What is the value of internal energy change for the reaction C2H5OOH(1) + 3O2(g) 2CO2(g) + 3H2O(1) at 27ºC?
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