At a temperature of 27º Celsius, the gas pressure in the vessel was 50 kPa. What would be the gas pressure at 127º Celsius?
| March 13, 2021 | education
To calculate the gas pressure after isochoric heating (one vessel), apply the proportion: P1 / T1 = P2 / T2 and P2 = P1 * T2 / T1.
Values of variables: Р1 – initial pressure (Р1 = 50 kPa); T2 – considered temperature (T2 = 400 K = 127 ºС); T1 – initial temperature (Т1 = 300 К = 27 ºС).
Let’s calculate: P2 = 50 * 400/300 = 66.7 kPa.
Answer: The pressure of the taken gas at 127 ºС will be 66.7 kPa.
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