ACT Science Practice Question #1849 (Hard (520)) | Test Citadel
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ACT Science Difficulty: Hard (520)

Digital ACT Science Practice Question #1849

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Comparing Experiment 1 and Experiment 3, doubling [B] while holding [A] constant causes the rate to: Experiment Context (Reaction Orders of Reaction 2A + B -> C): Chemists studied the initial rate of formation of product C for the reaction 2A + B -> C at 25°C under varying initial concentrations: Table 32: - Experiment 1: [A] = 0.10 M; [B] = 0.10 M; Initial Rate = 0.020 M/s - Experiment 2: [A] = 0.20 M; [B] = 0.10 M; Initial Rate = 0.080 M/s - Experiment 3: [A] = 0.10 M; [B] = 0.20 M; Initial Rate = 0.040 M/s
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Socratic AI Engine Step-by-Step Derivation
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Doubling [B] doubles rate -> 1st order with respect to B.

Masterclass Solution & Distractor Trap Analysis

0.040 / 0.020 = 2 = 2^1, so order with respect to B is 1....

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

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