Given the Standard Enthalpies of Formation for the Following Substances

question 8

Multiple Choice

Given the standard enthalpies of formation for the following substances, determine the reaction enthalpy for the following reaction. 2N₂H₄(g) 2NO₂(g) 3N₂(g) 4H₂O(g) H_rxn  ? kJ
SubstanceH in kJ/mol
N₂H₄(g) 95.4
NO₂(g) 33.1
H₂O(g) 241.8

• A)(  1,220 k
• B)(  1,220 k
• C)(  967 kJ/mol)
• D)(  967 kJ/mol)
• E)(  257 kJ/mol)

---

Definitions:

Accounting Service

Accounting service refers to the systematic recording, analyzing, and reporting of financial transactions pertaining to a business, provided by professionals or firms specialized in this field.

Accountant-Client Privilege

A legal principle that keeps communications between an accountant and their client confidential, similar to attorney-client privilege.

Ethical Violation

An action or behavior that goes against moral principles or professional standards, potentially leading to disciplinary measures.

Prenuptial Agreement

A legal document signed by a couple before marriage outlining the allocation of assets and financial responsibilities in the event of divorce.