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8 December, 17:53

A 6 l volume of ideal neon gas (monatomic) is at a pressure of 3.2 atmospheres and a temperature of 310 k. the atomic mass of neon is 20.2 g/mol. in this situation, the temperature of the gas is increased to 410 and the volume is increased to 8.0 l. the final pressure of the gas, in atmospheres, is closest to:

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  1. 8 December, 18:01
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    Answer is: the final pressure of the gas is closest to 3,17 atm.

    p ₁ = 3,2 atm.

    T₁ = 310 K.

    V₁ = 6 L.

    p₂ = ?

    T₂ = 410K.

    V₂ = 8,0 L.

    Use combined gas law - the volume of amount of gas is proportional to the ratio of its Kelvin temperature and its pressure.

    p ₁V₁/T₁ = p₂V₂/T₂.

    3,2 atm · 6,0 L : 310 K = p ₂ · 8,0 L : 410 K.

    0,0619 = 0,0195p ₂.

    p ₂ = 3,17 atm.
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