One Method for Making Ethanol,C₂H₅OH,involves the Gas-Phase Hydration of Ethylene,C₂H₄

question 99

Multiple Choice

One method for making ethanol,C₂H₅OH,involves the gas-phase hydration of ethylene,C₂H₄: Estimate ΔH for this reaction from the given average bond dissociation energies,D.

• A)-580 kJ
• B)-35 kJ
• C)+35 kJ
• D)580 kJ

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Definitions:

Contribution Margin

It is the difference between the sales revenue of a product and its variable costs. The contribution margin represents the portion of sales revenue that is not consumed by variable costs.

Behaviour

The actions or reactions of a person or system in response to external or internal stimuli.

Contribution Margin

The amount remaining from sales revenue after variable expenses have been deducted, contributing to covering fixed expenses and profit.

Variable Expenses

Expenditures that change in direct relation to production levels or sales quantities.