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gtnhenbr [62]
3 years ago
10

How much he is given out 185 g of lead cools from 200 Celsius to 10 Celsius

Physics
1 answer:
ioda3 years ago
5 0

Given data

mass (m) = 185 g  = 0.185 Kg ,

temperature (T₁) = 200°C = 200 + 273 = 473 K

temperature (T₂) = 10°C = 10+273 = 283 K

Specific haet at constant pressure (Cp) = 2.108 Kj/Kg k

                <em>Heat transfer (Q) = m.Cp.( T₂- T₁) J</em>

                                            = 0.185 × 2.108 × (283 - 473)

                                        <em>  Q = -74.09 KJ</em>

<em>Heat rejected from ice is 74 J</em>


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