Answer to Question #177352 in General Chemistry for mel

Question #177352

Heat of Naturalization using measurement probes


A. heat capacity of calorimeter:

  1. temperature of calorimeter (before mixing) = 25.00 degree Celcius
  2. temperature of warm water = 40.00 degree Celcius
  3. maximum temperature from curve = 31.00 degree Celcius
  4. heat lost by warm water (temp decrease X 5.0g X 4.18 J/K-g) = ?
  5. heat gained by cold water (temp increase X 5.0g X 4.18 J/K-g) = ?
  6. heat gained by calorimeter (difference between 4. and 5.)
  7. heat capacity of calorimeter (heat gained by calorimeter/ temp increase) = ?


find number 4, 5, 6, and 7.


1
Expert's answer
2021-04-01T02:57:50-0400


Molar mass of water is 18.02

Heat lost by H2O = "\\frac {5}{18.02}\u00d74.18=1.16 kJ"


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