Calculate Δ_rS° for the Following Reaction

question 17

Multiple Choice

Calculate Δ_rS° for the following reaction. The S° for each species is shown below the reaction. 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g)
S°(J K^-1 mol^-1) 192.8 205.2 210.8 188.8

• A) +287.4 J K^-1 mol^-1
• B) -401.2 J K^-1 mol^-1
• C) +160.0 J K^-1 mol^-1
• D) -336.6 J K^-1 mol^-1
• E) +178.8 J K^-1 mol^-1

---

Definitions:

Excess Reserves

The surplus funds that a bank or financial institution possesses beyond the mandatory requirements set by regulatory bodies, creditors, or its own internal governance protocols.

Government Securities

Financial instruments issued by a government to finance its activities, generally considered low-risk investments.

Quantity Of Money

The total amount of money available in an economy at a specific time, including both physical currency and digital balances.

Change The Tax Rate

Altering the percentage at which income, property, or sales are taxed by a governmental entity.