ACT Science Practice Question #1789 (Hard (540)) | Test Citadel
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ACT Science Difficulty: Hard (540)

Digital ACT Science Practice Question #1789

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If the container is heated to 500 K, what is the predicted pressure of the nitrogen gas? Experiment Context (Thermal Pressure of Nitrogen Gas): A sealed, rigid 2.0 L stainless steel container holding 0.10 moles of pure N2 gas was heated to various temperatures while pressure was recorded in kilopascals (kPa): Table 12: - 200 K (-73°C): Pressure = 83.1 kPa - 250 K (-23°C): Pressure = 103.9 kPa - 300 K (27°C): Pressure = 124.7 kPa - 350 K (77°C): Pressure = 145.5 kPa - 400 K (127°C): Pressure = 166.2 kPa
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P = (166.2 / 400) * 500 = 207.8 kPa.

Masterclass Solution & Distractor Trap Analysis

P = 0.4155 kPa/K * 500 K = 207.75 kPa....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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