Argon is placed inside^-^- a container^-^-^~ with a constant volume. The graph shows the estimated pressure y, in pounds per square inch (psi), of the argon when its temperature is x kelvins. y 36 30 ~",,,,,....- i.--.... ~',,,. 6 ~,,,,,....-. () 100200300400500600700800x Temperature (kelvins) What is the estimated pressure of the argon, in psi, when the temperature is 600 kelvins?
Correct answer: B (parsed from the explanation — this source omits an answer key for this item)
Explanation
Choice B is correct. For the graph shown, the x-axis represents temperature, in kelvins, and the y-axis represents the estimated pressure, in pounds per square psi inch ^ h. The estimated pressure of the argon when the temperature is 600 kelvins can be found by locating the point on the graph where the value of x 600 600,12 is equal to . The graph passes through the point ^ h. This means that 600 12 psi when the temperature is kelvins, the estimated pressure is . psi Choice A is incorrect. This is the estimated pressure, in , of the argon when the 300 600 temperature is kelvins, not kelvins. Choice C is incorrect and may result from conceptual or calculation errors. Choice D is incorrect. This is the temperature, in kelvins, of the argon.
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