The Reaction
2Cu(s)+ CO₂(g) $\rightarrow$ 2CuO(s)+ C(s)
Is Endothermic

question 138

Multiple Choice

The reaction
2Cu(s) + CO₂(g) $\rightarrow$ 2CuO(s) + C(s)
Is endothermic.Which of the following statements is true?

• A) The reaction is not spontaneous at any temperature.
• B) The reaction is spontaneous at all temperatures.
• C) It is impossible to determine if the reaction is spontaneous without calculations.
• D) The reaction will be spontaneous only at low temperatures.
• E) The reaction will be spontaneous only at high temperatures.

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Definitions:

Budget Variance

Budget variance is the difference between the budgeted or planned amount of expense or revenue and the actual amount incurred or earned.

Standard Cost System

An accounting framework where predetermined costs are used for valuing inventories and measuring cost variances.

Volume Variance

Volume variance reflects the difference between the expected number of units produced or sold and the actual units produced or sold, impacting costs and revenue.

Budget Variance

The difference between the budgeted or planned amounts and the actual amounts incurred, used for financial analysis and control.