You Are Given the Following Boiling Point Data

question 23

Multiple Choice

You are given the following boiling point data.Which one of the liquids would you expect to have the highest vapor pressure at room temperature?

• A)water,H₂O 100°C
• B)methanol,CH₃OH 64.96°C
• C)ethanol,CH₃CH₂OH 78.5°C
• D)diethyl ether,CH₃OH₂-O-CH₂CH₃ 34.5°C
• E)ethylene glycol,HO-CH₂-CH₂-OH 198°C

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Definitions:

Contribution Margin Ratio

The proportion of revenue from each dollar of sales that goes toward covering fixed expenses and creating profit.

Fixed Expenses

Costs that do not fluctuate with changes in production level or sales volume, such as leases and insurance premiums.

Contribution Margin

The amount by which the sale of a product exceeds its variable costs, contributing towards covering fixed costs and generating profit.

Return On Investment (ROI)

A financial metric used to evaluate the efficiency or profitability of an investment, calculated by dividing the benefit (return) of an investment by the cost of the investment.