The Gaseous state — Formula Sheet
Telangana Open School (TOSS) · Class 12 · Chemistry
12 formulas from The Gaseous state (Telangana Open School (TOSS) Class 12 Chemistry) on one page, grouped by topic. Includes Charles’ Law.
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Formulas and Key Relations
Gas Laws
p₁V₁ = p₂V₂
V₁/T₁ = V₂/T₂
V ∝ n
Ideal Gas Equation
pV = nRT
Dalton's Law & Graham's Law
P_total = P₁ + P₂ + P₃ + ...
r ∝ 1/√M
Kinetic Molecular Theory & Speeds
pV = ¹/₃ mNc²
u_rms = √(3RT/M)
u_mp = √(2RT/M)
Charles’ Law
V/T = constant (p constant)
R = 0.0821 L·atm·mol⁻¹·K⁻¹
Key relations
Boyle’s law states that at constant temperature, volume is inversely proportional to pressure (V ∝ 1/p).
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