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6 April, 01:44

Calculate the rate of heat required to bring 7.20 mol/hr of HBr gas from 43.0 degree C to 225.0 degree C at atmospheric pressure.

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  1. 6 April, 02:50
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    the rate of heat required is 38185,056 J/h

    Explanation:

    for gases, heat is given for the expresion:

    Q ≅ mCpΔT

    ∴ T1 = 43°C + 273 = 316 K

    ∴ T2 = 225°C + 273 = 498 K

    ⇒ ΔT = T2 - T1 = 498 - 316 = 182 K

    ∴ Cp HBr (298 K) = 29.14 J / mol * K ... specific heat tables

    ⇒ Q = (7.2 mol/h) * (29.14 J/mol K) * (182 K)

    ⇒ Q = 38185.056 J/h
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