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19 March, 19:10

Substance/Specific heat capacity

silver/0.235

copper/0.385

iron/0.449

aluminum/0.903

ethanol/2.42

water/4.184

An unknown substance has a mass of 10.5g. When the substance absorbs 9.450*10^1 J of heat, the temperature of the substance is raised from 25.0 C to 45.0C. What is the most likely identity of the substance?

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Answers (2)
  1. 19 March, 19:11
    0
    From the above given details

    c = Q/m dalta T

    Putting the above given details

    9.450∗10J / 1 0.5g * 20.0C

    =.450 J gC

    which gievs us our answer as iron/0.449 most likely identity of the substance.
  2. 19 March, 19:32
    0
    I believe it is aluminum
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