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Gas Law Calculator

Ideal Gas Law Calculator (PV = nRT)

Volume V (m³)

Moles n (mol)

Temperature T (K)

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We're working on a comprehensive educational guide for the Gas Law Calculator in your language. The content below is shown in English.

क्या है Gas Law Calculator?

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Gas law calculators solve Boyle's, Charles's, Gay-Lussac's, and the combined gas law for pressure, volume, and temperature relationships of ideal gases.

Calkulon makes complex calculations simple — built for students and everyday problem-solvers.

सूत्र

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f(x)PV = nRT (ideal gas law); P₁V₁/T₁ = P₂V₂/T₂ (combined gas law)

चर विवरण

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प्रतीक	नाम	इकाई	विवरण
P	Pressure	atm/Pa	—
V	Volume	litres/m³	—
n	Moles of gas	mol	—
R	Gas constant	0.0821 L·atm/(mol·K)	—
T	Temperature	Kelvin	—

कैसे Gas Law Calculator

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1Boyle's law: P₁V₁ = P₂V₂ (constant T)
2Charles's law: V₁/T₁ = V₂/T₂ (constant P)
3Gay-Lussac's: P₁/T₁ = P₂/T₂ (constant V)
4Combined: P₁V₁/T₁ = P₂V₂/T₂

हल किए गए उदाहरण

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उदाहरण 1

दिया गया:Boyle's: V₁=4L, P₁=2atm, P₂=4atm

परिणाम:V₂ = P₁V₁/P₂ = 2×4/4 = 2L

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Chemistry laboratory calculations

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Scuba diving safety (decompression)

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HVAC system design

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Industrial gas processing

Gas Law Summary

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Law	Constant	Equation
Boyle's	Temperature	P₁V₁=P₂V₂
Charles's	Pressure	V₁/T₁=V₂/T₂
Gay-Lussac's	Volume	P₁/T₁=P₂/T₂
Combined	Amount	P₁V₁/T₁=P₂V₂/T₂
Ideal gas	—	PV=nRT

अक्सर पूछे जाने वाले प्रश्न

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When should I use ideal gas law vs combined?

Ideal: when n (moles) is constant or unknown. Combined: when gas amount is fixed, conditions change.

What temperature units should I use?

Always Kelvin (K = °C + 273.15) in gas law equations. Celsius and Fahrenheit don't work.

Is the ideal gas approximation accurate?

Good for most gases at normal conditions. Poor at high pressure or low temperature. Use van der Waals for precision.

संदर्भ

›Gas laws — Khan Academy

Formula-verified for precision

Reviewed October 2026

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