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18 August, 13:54

The pressure of neon changes from 786mmHg to 1811mmHg. If the initial temperature 87°C, what is the new temperature (in Kelvin Unit) ?

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  1. 18 August, 14:16
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    The new temperature is 829.5 K

    Explanation:

    Step 1: Data given

    The initial pressure of neon = 786 mmHg

    The final pressure of neon = 1811 mmHg

    The initial temperature = 87 °C

    Step 2: Calculate the new temperature

    P1/T1 = P2/T2

    ⇒P1 = the initial pressure = 786 mmHg = 1.03421 atm

    ⇒T1 = the initial temperature = 87 °C = 360 K

    ⇒P2 = the final pressure = 1811 mmHg = 2.382895 atm

    ⇒T2 = the final temperature = ?

    1.03421 atm / 360 K = 2.382895 atm / T2

    T2 = 829.5 K

    786/360 = 1811 / T2

    The new temperature is 829.5 K
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