For the Decomposition of Hydrogen Peroxide to Water and Oxygen $\frac{1}{2}$

question 18

Multiple Choice

For the decomposition of hydrogen peroxide to water and oxygen, H₂O₂(g) → H₂O(g) + $\frac{1}{2}$ O₂(g)
ΔH° = −106 kJ,and ΔS° = +0.0580 kJ/K.Under which of the following conditions is the reaction spontaneous (ΔG° < 0) ?

• A) The temperature must be greater than 1.83 × 10³ K.
• B) The temperature must be less than 1.83 × 10³ K.
• C) The temperature must be between 225 K and 1.83 × 10³ K.
• D) ΔG° is always less than zero.
• E) ΔG° is never less than zero.

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Definitions:

Cash Payback Period

The time it takes for a business to recover its investment in a project solely from cash flows, used to assess the risk or attractiveness of an investment.

Depreciation Expense

The systematic allocation of the cost of a tangible asset over its useful life, reflecting the consumption of the asset.

Cash Payback Period

The duration required for an investment to generate cash flows sufficient to recover the initial cost of the investment.

Salvage Value

The estimated residual value of an asset after its useful life has ended and it can no longer be used for productive purposes.