radomes.openskiesproject.org
janeanneward janeanneward
  • 16-06-2016
  • Chemistry
Answered

How much heat energy is required to boil 87.7 g of ammonia, NH3? The molar heat of vaporization of ammonia is 23.4 kJ/mol.

Verified Answer :

taskmasters
taskmasters taskmasters
  • 25-06-2016

Energy released from changing the phase of a
substance from the gas phase to liquid phase can be calculated by using the
specific latent heat of vaporization. Calculation are as follows:

 Energy = 87.7 g (1 mol / 17.04 g) x 23.4 kJ/mol

 

Energy = 120.4 kJ

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