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MCAT Chemical and Physical Foundations of Biological Systems Flashcards: 4b Viscosity Poiseuille Flow

Study 4b Viscosity Poiseuille Flow in MCAT Chemical and Physical Foundations of Biological Systems with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

If viscosity triples (η→3η\eta\to 3\eta), by what factor does QQ change (Poiseuille, constant ΔP\Delta P)?

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ANSWER

QQ decreases by a factor of 33. Tripling viscosity reduces flow rate to one-third, as it inversely scales in Poiseuille flow under constant conditions.

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MCAT Chemical and Physical Foundations of Biological Systems: Foundational Concepts

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This deck focuses on 4b Viscosity Poiseuille Flow, giving you a quick way to review the definitions, rules, and examples that matter most for MCAT Chemical and Physical Foundations of Biological Systems.

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Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 43Practice questions for this set
A lab compares two Newtonian fluids flowing through the same rigid cylindrical capillary (same rr and LL) under the same pressure drop ΔP\Delta P. Fluid X has viscosity ηX=1.0 mPa⋅s\eta_X = 1.0\ \text{mPa}\cdot\text{s} and Fluid Y has viscosity ηY=4.0 mPa⋅s\eta_Y = 4.0\ \text{mPa}\cdot\text{s} at the measurement temperature. Flow is laminar for both. Based on Poiseuille flow, what is the expected ratio QX/QYQ_X/Q_Y?
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