Calculate the Amount of Work Done Against an Atmospheric Pressure $\rarr$

question 19

Multiple Choice

Calculate the amount of work done against an atmospheric pressure of 1.00 atm when 500.0 g of zinc dissolves in excess acid at 30.0°C.
Zn(s) + 2H⁺(aq) $\rarr$ Zn²⁺(aq) + H₂(g)

• A)w = +22.4 kJ
• B)w = +24.9 kJ
• C)w = 0
• D)w = -2.52 kJ
• E)w = -19.3 kJ

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Definitions:

Spot Rate

The current market price used for immediate settlement of transactions involving a foreign currency.

Settlement Date

The date on which a trade is final, and the buyer must make payment and the seller deliver the asset.

Commitment Date

The date on which two parties agree upon the terms of a financial transaction or agreement, creating a commitment.

Net Method

An accounting method that records transactions and balances net of any discounts or allowances.