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A sample of a gas occupies 9850 mL at STP. What volume will the gas occupy at 95 oC and 675 torr?

Respuesta :

The volume of the gas at 95°C and 675 torr is 8232 mL.

What is the Combined Gas Law?

The combined gas law includes the combination of Boyle's Law, the Charles Law, and Gay-Lussac's Law of combined volume. It can be mathematically expressed as:

P₁V₁T₁ = P₂V₂T₂

where;

  • P, V, and T are Pressure, volume, and temperature respectively.

At standard conditions, the temperature of the gas is 273.15 K and the  pressure is 760 torr

Using the equation of combined gas law, the volume of the gas at 675 torr and 95° C will be can be computed as:

[tex]\mathbf{V_2 = \dfrac{P_1V_1T_1}{P_2T_2}}[/tex]

[tex]\mathbf{V_2 = \dfrac{760 \ torr \times 9850 \ mL \times 273.15 \ K}{675\ torr \times 368 \ K}}[/tex]

V₂ = 8231.88 mL

V₂ ≅ 8232 mL

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