A 10-lane Olympic sized swimming pool contains 2.5 x 106 kg of water. If the water is at 0ºC, how many kilojoules of energy must be removed

Question

A 10-lane Olympic sized swimming pool contains 2.5 x 106 kg of water. If the water is at 0ºC, how many kilojoules of energy must be removed to freeze the water in this pool? capital deltaHfus for H2O = 334 J/g

in progress 0
Dulcie 4 years 2021-08-10T10:39:47+00:00 1 Answers 48 views 0

Answers ( )

  1. danthu
    0
    2021-08-10T10:41:40+00:00
    Reply

    Answer:

    Explanation:

    Given:

    T = 0°C

    Mass of water, M = 2.5 × 10^6 kg

    Heat of fusion = 334 J/g

    Heat required, Q = M × heat of fusion

    = 2.5 × 10^6 kg × 1000 g/1 kg × 334 J/g × 1 kJ/1000 J

    = 8.35 × 10^8 kJ.

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )