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Which of the following is a biotic factor worms sunlight water or climate

Answer;

-49 °C

Explanation and solution;

  • Considering the fact that, the specific heat capacity of aluminum is 0.903 J/g x C, and the heat of vaporization of water at 25 C is 44.0 KJ/mol.  

Moles water = 0.48 g / 18.02 g/mol

                      =0.0266  moles

Heat lost by water = 0.0266 mol x 44.0 kJ/mol

                                 =1.17 kJ => 1170 J  

But heat lost =heat gained

Therefore; Heat gained by aluminium = 1170 J  

        1170 = 55 x 0.903 ( T – 25) = 49.7 T – 1242  

                   1170 + 1242 = 49.7 T  

            T = 48.5 °C ( 49 °C at two significant figures)

Hence, final temperature = 49 °C

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