Two Tanks, Both of Volume 10 L, Are Connected by a Valve

question 69

Multiple Choice

Two tanks, both of volume 10 L, are connected by a valve and are thermally isolated. One tank contains 1mole of ⁴He at 280 K and the other tank contains 1 mole O₂ at 300 K. The valve is then opened and the gases allowed to mix. What is the final temperature after the gases have come to equilibrium?

• A) 290 K
• B) 295 K
• C) 285 K
• D) 293 K
• E) 287 K

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Definitions:

Horizontal Line

A straight line that has a constant y-value in the plane Cartesian coordinate system, indicating no change in the vertical direction.

Inferior Goods

For inferior goods, demand decreases as income increases.

Demand for Potatoes

The consumers' desire and willingness to purchase potatoes at a given price.

Decrease in Income

A reduction in the amount of money received, typically referring to wages, salaries, or investment returns.