Question

Which equation represents the combined gas law?
P subscript 1 V subscript 1 equals P subscript 2 V subscript 2. StartFraction V subscript 1 over T subscript 1 EndFraction equals StartFraction V subscript 2 over T subscript 2 EndFraction. StartFraction P subscript 1 V subscript 1 over T subscript 1 EndFraction equals StartFraction P subscript 2 V subscript 2 over T subscript 2 EndFraction. P subscript 1 V subscript 1 T subscript 1 equals P subscript 2 V subscript 2 T subscript 2.

Answer 1

Answer:

P1V1/T1 = P2V2/T2

Explanation:

- Hope that helped! Let me know if you need further explanation. Sorry I didn't give you exaxt one, it was kinda hard to read, but that is the correct answer I put above.

Answer 2

The equation of the combined gas law is given as $\frac{P_{1} V_{1} }{T_{1} } = \frac{P_{2} V_{2} }{T_{2} } = \frac{P_{n} V_{n} }{T_{n} }$

The equation of the combined gas law is obtained from a combination of three gas laws of Boyle's, Charles' and Gay-Lussac's laws.

• Boyle's  law states that the pressure of a fixed mass of gas is inversely proportional to the volume, provided the temperature remains constant. Mathematically; $P_{1} V_{1} = P_{2} V_{2}$

• Charles' law states that the volume of a fixed mass of gas is directly proportional with the absolute temperature in Kelvin, provided pressure remains constant. Mathematically; $\frac{V_{1} }{T_{1} } =\frac{V_{2} }{T_{2} }$

• Gay-Lussac's Law states that the pressure of a given mass of gas varies directly with the absolute temperature of the gas, provided the volume is kept constant. Mathematically; $\frac{P_{1} }{T_{1} } =\frac{P_{2} }{T_{2} }$

A combination of the three gas laws gives the equation of the combined gas law is given as $\frac{P_{1} V_{1} }{T_{1} } = \frac{P_{2} V_{2} }{T_{2} } = \frac{P_{n} V_{n} }{T_{n} }$

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