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31 October, 22:40

A piece of wood near a fire is at 23°C. It gains 1,160 joules of heat from the fire and reaches a temperature of 42°C. The specific heat capacity of

wood is 1.716 joules/gram degree Celsius. What is the mass of the piece of wood?

ОА. 16 g

OB. 29 g

ОC. 36 g

OD. 61 g

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Answers (1)
  1. 1 November, 00:58
    0
    35.578g or 36g if you round

    Explanation:

    Q=mc ∆∅ where ∅ is temperature difference

    1160 = m x 1.716 x (42-23)

    m = 1160 / 1.716 x19

    m=35.578g

    m = 36g to nearest whole number
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