A 200 g piece of iron is heated to 100°C. It is then dropped into water to bring its temperature down to 22°C. What is the amount of heat tr

Question

A 200 g piece of iron is heated to 100°C. It is then dropped into water to bring its temperature down to 22°C. What is the amount of heat transferred to water? (ciron = 0.444 J/g°C)

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Thạch Thảo 1 year 2021-08-23T19:53:43+00:00 1 Answers 17 views 0

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  1. thachthao
    0
    2021-08-23T19:55:31+00:00
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    Explanation:

    1. You should use this formula:Q=m×c×△θ
    2. m=200g
    3. c=0.444
    4. △θ=100-22=78°C
    5. Q=200×0.444×78=6926.4J

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