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13 December, 09:27

1. How many joules must be added to 10.0 g of water to raise its temperature from 10°C to

15°C?

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Answers (1)
  1. 13 December, 13:05
    0
    209.3 Joules require to raise the temperature from 10 °C to 15 °C.

    Explanation:

    Specific heat capacity:

    It is the amount of heat required to raise the temperature of one gram of substance by one degree.

    Formula:

    Q = m * c * ΔT

    Given dа ta:

    mass of water = 10 g

    initial temperature T1 = 10 °C

    final temperature T2 = 15 °C

    temperature change = ΔT = T2-T1 = 15°C - 10°C = 5 °C

    Energy or joules added to increase the temperature Q = ?

    Solution:

    We know that specific heat of water is 4.186 J/g.°C

    Q = m * c * ΔT

    Q = 10 g * 4.186 J/g.°C * 5 °C

    Q = 209.3 J
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