Exams › NEET › Physics

According to Dalton's law of partial pressures, we have P = P1 + P2 + P3

1. P = 1/3 Nm c² = 2/3 (1/2 Nm) c² = 2/3 K.E
2. Dalton's law will be valid only if the gases contained are non-reacting.
3. For non-reacting gases, P = P1 + P2 + P3 + ... Pn. Here P = Pressure exerted by mixture. P1, P2, P3, .... Pn = Partial pressure of component gases.
4. The mean square velocity of A type molecules = ω² + ω² + ω² = 3ω²

Correct answer: Dalton's law will be valid only if the gases contained are non-reacting.

Solution

Dalton's law of partial pressures is valid only for non-reacting gases, as it assumes no chemical interaction between the gases in the mixture.

Related NEET Physics questions

• The molar specific heats of an ideal gas at constant pressure and volume are denoted by Cp and Cv, respectively. If γ = Cp / Cv and R is the universal gas constant, then Cv is equal to
• If γ be the ratio of specific heats of a perfect gas, the number of degrees of freedom of a molecule of the gas is
• The number of translational degrees of freedom for a diatomic gas is
• What happens to the average velocity of gas molecules as temperature increases?
• The degree of freedom of a molecule of a triatomic gas is
• What is the formula for internal energy (U) of an ideal gas?

⚔️ Practice NEET Physics free + battle 1v1 →