Question

Select all that apply. Which equations are correct?

Answer 1

Answer:

v2 = k/p2

v2 = P1Vi/p2

P2 = P1 V1/V2

Answer 2

• Charles: Charles' law states that the volume of an ideal gas at constant pressure is directly proportional to absolute temperature. This law also states that Kelvin temperature and volume are directly related if the pressure on a sample of dry gas is held constant.
• Gay Lussac: Gay-Lussac's law is a gas law that states that the pressure exerted by a gas (of a given mass and constant volume) varies directly with the absolute temperature of the gas. That is, if the mass is fixed and the volume is constant, the pressure exerted by the gas is proportional to the temperature of the gas.
• This law was formulated in 1808 by the French chemist Joseph Gay his Lussac. The Gay-Lussac formula can be written as:
• P ∝ T ; P/T = k
• where
• P is the pressure exerted by the gas
• T is the absolute temperature of the gas
• k is a constant.

• Boyle - Mariotte: Boyle's Law (Marriott's Law) states that for a perfect gas, whose mass and temperature are kept constant, the volume of the gas varies inversely with absolute pressure.

we know that there are 4 type of gases law.

• Charles, Gay Lussac, Boyle - Mariotte, General law of gases.

• Charles: V₁/T₁=V₂/T₂
• Gay Lussac: P₁/T₁=P₂/T₂
• Boyle-Mariotte:  P1V1 = P2V2
• General law of gases : P₁V₁/T₁=P₂V₂/T₂.

Let's use these formulas to answer the question

        p2 = V2/P1                

This is not a law of gases

        p1= V1/k                      

 This formula is similar to Boyle mariotte equation but is not.

          V2 = k/P2                    

 This equation is correct is Boyle Mariotte formula

         V2 = P1V1/ P2              

This equation is also correct is Boyle Mariotte formula

        V1 = P1/P2 (V2)            

This equation is incorrect

P2 = (P1) V1/V2            

This equation is correct is Boyle mariotte formula

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