Agas has a pressure of 710 kpa at 227 c what will its pressure be at 27 c if the volume does not change

First, we should convert our temperature values from celsius to kelvin. By adding 273.15K to all of the temperature values, we now have 500.15K and 300.15K. Now, we must plug our known values into Gay-Lussac's law (P1/T1 = P2/T2). This gives us 710kPa/500.15K = x/300.15K. Now, we simply solve for x, which gives us an answer of x = 426 kPa.

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Answer is to avoid experimental error

They can measure  the amount of energy gained or lost