Use the Following Table: Reaction

question 11

Multiple Choice

Use the following table: Reaction
H° (kJ)
I. P₄(s) + 6Cl₂(g)  4PCl₃(g)
-1225.6
II. P₄(s) + 5O₂(g)  P₄O₁₀(g)
-2967.3
III. PCl₃(g) + Cl₂(g)  PCl₅(g)
-84.2
IV. PCl₃(g) + (1/2) O₂(g)  Cl₃PO(g)
-285.7
Calculate H° for the reaction
P₄O₁₀(g) + 6PCl₅(g)  10Cl₃PO(g)

• A) -610.1 kJ
• B) -2682.2 kJ
• C) -7555.0 kJ
• D) -110.5 kJ
• E) None of these is within 5% of the correct answer.

---

Definitions:

Price Concessions

Discounts or adjustments in the price of a good, service, or security, often granted to finalize a deal.

Effective Spread

The measure of the actual cost of a trading transaction, calculated as the difference between the executed trade price and the midpoint of the best bid and ask quotes at the time of the trade.

SEC

The U.S. Securities and Exchange Commission, a federal agency responsible for enforcing federal securities laws and regulating the securities industry.

Tick Size

The minimum price movement of a trading instrument in the market, which can affect the precision of price and order placement.