Hello
The word is "pollution"
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Cp stands for specific heat.
 
        
                    
             
        
        
        
Explanation:
The relation between 
 is given by :

Where :
 = Ionic prodcut of water
The value of the first ionization constant of sodium sulfite = 
The value of 
:


The value of the second ionization constant of sodium sulfite = 
The value of 
:


 
        
             
        
        
        
Cell theory was discovered from the scientist