Day 109

P. 434,  ques 10-12


10a)  80 grams

b)  110 grams

c)  36 grams


11a)  15 degrees

b)  50 degrees

c)  32 degrees

12a)  Endothermic the heat content of each solution is more than the initial      
      components.
      Exothermic the heat content of each solution is less than the initial     
      components.  

    b)Endothermic the change in solution temperature is cold.
         Exothermic the change in solution temperature is hot.
    c) 

    d) Increasing the temperature on most solids increases the solubility.