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A metal of mass 0.5kg is heated to 100°C and then transferred to…

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PHYSICS

A metal of mass 0.5kg is heated to 100°C and then transferred to a well-lagged calorimeter of heat capacity 80J/k containing water of heat capacity 420 J/k at 15°C. If the final steady temperature of the mixture is 25°C, find the specific heat capacity of the metal

A metal of mass 0.5kg is heated to 100°C and then transferred to...

Now for the right answer to the above question:

  1. Option A is incorrect.
  2. Option B is incorrect.
  3. C is correct.
  4. D is not the correct answer.
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KEY-POINTS…

You may please note these/this:

  • When a problem involving heat transfer such as above is tackled, always remember to do the calculations separately and equate each side as heat loss is assumed to be equal to heat gained.

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/ culled from 2016 JAMB-UTME physics past question 20 /

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