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28 February, 23:49

6. What is the total number of calories lost when 10

grams of water at 80°C is cooled to 60°C?

A) 10 B) 20 C) 100 D) 200

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Answers (1)
  1. 1 March, 01:22
    0
    B

    Explanation:

    so you started out with 80

    you have to cool it till 60

    so it is decreasing which means you have to subtract

    Note=if something is increasing or wanting to go up its addition but for this problem 60 is less then 80 so we are doing subtraction

    80-60=20
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