The pressure, p, of a gas varies directly with its temperature, t, and inversely with its volume, v, according to the equation p=nrt/v, where n is the number of molar units and r is the universal gas constant. one molar unit of gas has a pressure of about 1,245 joules at a temperature of 300 degrees kelvin and a volume of 2 liters. what is the pressure of the same number of molar units of the gas at a temperature of 400 degrees kelvin and a volume of 2.5 liters?

The pressure of gas will be 1328 Joules

Step-by-step explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

  (for same value of n)

where,

= initial pressure of gas = 1245 J

= final pressure of gas = ?

= initial volume of gas = 2 L

= final volume of gas = 2.5L

= initial temperature of gas = 300K

= final temperature of gas = 400K

Now put all the given values in the above equation, we get the final pressure of gas.

Therefore, the final pressure of gas will be 1328 Joules.

hey! so 1 (25) out of 4 (100) is 25 so your answer is 25%. it's like quarters!

could you provide figure.