Boyle's Law (Grade 11 NSC Matric Physical Sciences): Flashcards

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Boyle's Law
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Boyle's Law definition

At constant T, p inversely proportional to V for fixed gas amount

Temp unit for gas calculations

Kelvin (K = °C + 273)

Boyle's Law equation

p1V1=p2V2p_1V_1 = p_2V_2

Inverse relationship meaning

V increases → p decreases; V decreases → p increases

Why p increases when V decreases

Particles collide more frequently with container walls

Conditions for Boyle's Law

Constant temperature and fixed amount of gas

1 L equals how many dm³

1 dm³

Standard atm pressure in Pa

101,325 Pa

p vs V graph shape

Curved (inverse relationship)

p vs 1/V graph shape

Straight line

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