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13 October, 08:41

The temperature of a sample of water increases by 69.5 degrees when

24,000 J of heat are applied. The specific heat of water is 4.18 J/gC. What

is the mass of the sample?

O

84.3

O

1692

407,356

7,117,495

+4
Answers (1)
  1. 13 October, 09:04
    0
    The mass of the sample is 84.3 g

    Explanation:

    We have the formula to find the mass

    Q = mCΔT

    where

    Q denotes the energy absorbed or released

    m denotes the mass of the sample

    C denotes the Specific heat of sample

    Δ T denotes the Temperature change

    Q = mCΔT

    Rewrite the equation as,

    m = Q / C Δ T

    m=24000 J/4.186 J/g°C * (69.5 °C-0°C)

    m=82.42

    m=84.3 (based on the options)

    The mass of the sample is 84.3 g
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