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20 October, 06:38

To sterilize a 53.0 g glass baby bottle, we must raise its temperature from 25.0°C to 92.0°C. How much heat transfer (in J) is required?

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  1. 20 October, 07:19
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    The heat transferred is, Q = 2982.84 J

    Explanation:

    Given data,

    The mass of the glass bottle, m = 53 g

    = 0.053 kg

    The change on temperature, ΔT = T² - T₁

    = 92 - 25

    = 67 ° C

    The formula for heat transfer is,

    Q = mcΔT

    Where,

    c - specific heat capacity of the material

    Substituting the values

    Q = 0.053 x 840 x 67

    = 2982.84 J

    Hence, the heat transferred is, Q = 2982.84 J
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