Determine Δ_rG° at 298 K Using the Following Information: H₂(g)

question 128

Multiple Choice

Determine Δ_rG° at 298 K using the following information: H₂(g) + CO(g) → CH₂O(g) Δ_rH°= +1.9 kJ mol^-1; Δ_rS°= -109.6 J K^-1 mol^-1

• A) +57.7 kJ mol^-1
• B) -30.8 kJ mol^-1
• C) +34.6 kJ mol^-1
• D) -41.5 kJ mol^-1
• E) +17.3 kJ mol^-1

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Definitions:

Salvage Value

The foreseen market valuation of an asset at the lifespan’s end.

Present Values

The now-value of a forthcoming financial amount or cash flow pattern, discounted at a fixed rate of return.

Net Present Value Method

A financial analysis tool used to evaluate the profitability of an investment by calculating the difference between the present value of cash inflows and outflows.

Annual Return

The percentage of increase or decrease in an investment's value over a one-year period.