A Quantity of Liquid Methanol,CH₃OH,is Introduced into a Rigid 3

question 97

Multiple Choice

A quantity of liquid methanol,CH₃OH,is introduced into a rigid 3.00-L vessel,the vessel is sealed,and the temperature is raised to 500 K.At this temperature,the methanol vaporizes and decomposes according to the reaction CH₃OH(g) CO(g) + 2H₂(g) ,K_c = 6.90 ×10^-2
If the concentration of H₂ in the equilibrium mixture is 0.426 M,what mass of methanol was initially introduced into the vessel?

• A)147 g
• B)74.3 g
• C)33.9 g
• D)49.0 g
• E)24.8 g

Understand the distinction between fixed and variable costs.

Recognize the conditions under which a firm should continue to operate or shut down in the short run.

Comprehend the concept of the long run in economic theory.

Identify the behaviors of average variable cost (AVC) and average total cost (ATC) as output changes.

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