Dalton's law
The correct answer is Dalton's law.
CONCEPT:
- Boyle's law states that at a constant temperature, the volume of a given mass of gas is inversely proportional to its pressure.
- $\mathbf{P}_1 \mathbf{V}_1=\mathbf{P}_2 \mathbf{V}_2$
- Graham's law of diffusion states that at a constant temperature and pressure, the rate of diffusion of a gas is inversely proportional to the square root of its density.
- $\frac{r_A}{r_B}=\sqrt{\frac{d_A}{d_B}}$ or $\frac{r_A}{r_B}=\sqrt{\frac{M_B}{M_A}}$
- Where $r_A$ and $r_B$ are rates of diffusions of $A$ and $B, d_A$ and $d_B$ are densities and $M_A$ and $M_B$ are molecular masses of $A$ and $B$ respectively
- Charles law: This law states that at constant pressure, the volume of a given mass of a gas is directly proportional to its absolute temperature.
- $\frac{V 1}{T 1}=\frac{V 2}{T 2}$
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a number of non-reacting gases in a mixture is equal to the sum of partial pressures of the gases in the mixture.
- In a mixture, the pressure exerted by individual gas is called partial pressure.
- $\mathrm{p}_{\text {total }}=\mathrm{p}_1+\mathrm{p}_2+\mathrm{p}_3+\ldots$. (at constant $\mathrm{T}$ and $\mathrm{V}$), where $\mathrm{p}_{\text {total }}$ is the total pressure exerted by the mixture of gases and $p_1, p_2, p_3$ are the partial pressures of gases.