A Concentration-Time Study of the Gas Phase Reaction 2 A₃

question 63

Multiple Choice

A concentration-time study of the gas phase reaction 2 A₃ → 3 A₂ produced the data in the table below. Time (s) [A₃] (M) [A₂] (M)
0 4.00 × 10^-4 0
10 2.00 × 10^-4 3.00 × 10^-4
20 1.00 × 10^-4 4.50 × 10^-4
30 5.00 × 10^-5 ?
What is the concentration of A₂ after 30 seconds?

• A)5.00 × 10^-4 M
• B)5.25 × 10^-4 M
• C)5.50 × 10^-4 M
• D)6.00 × 10^-4 M

Analyze the effect of foreign exchange rate changes on forward contracts, receivables, payables, and loans.

Prepare journal entries and balance sheet presentations for foreign currency transactions and hedges.

Identify the impact of exchange rate fluctuations on financial instruments and their recognition in financial statements.

Evaluate the economic implications of using forward contracts for hedging purposes.

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