A Certain Substance Has the Phase Diagram Shown Below

question 27

Multiple Choice

A certain substance has the phase diagram shown below. At which of the following values of T and P is the substance a pure liquid?

• A) T = 70°C, P = 1.2 atm
• B) T = 10°C, P = 1 atm
• C) T = 8°C, P = 1 atm
• D) T = 10°C, P = 0.5 atm
• E) T = 80°C, P = 1 atm

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Definitions:

High-Low Method

A technique used in cost accounting to estimate variable and fixed costs by analyzing the highest and lowest levels of activity and their associated costs.

Variable Cost

Variable costs are expenses that vary directly with the level of production or sales volume, such as raw materials and packaging.

Fixed Cost

Expenses that do not change in proportion to the level of goods or services produced by a business.

Contribution Format

An income statement format that separates fixed and variable costs and expenses, used to determine contribution margin.