Answer:
6.66 s will it take for [AB] to reach 1/3 of its initial concentration 1.50 mol/L.
Explanation:
![Rate = k[AB]^2](https://tex.z-dn.net/?f=Rate%20%3D%20k%5BAB%5D%5E2)
The order of the reaction is 2.
Integrated rate law for second order kinetic is:
![\frac{1}{[A_t]} = \frac{1}{[A]_0}+kt](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B%5BA_t%5D%7D%20%3D%20%5Cfrac%7B1%7D%7B%5BA%5D_0%7D%2Bkt) 
Where, ![[A_0]](https://tex.z-dn.net/?f=%5BA_0%5D) is the initial concentration  = 1.50 mol/L
 is the initial concentration  = 1.50 mol/L
 ![[A_t]](https://tex.z-dn.net/?f=%5BA_t%5D) is the final concentration  = 1/3 of initial concentration =
 is the final concentration  = 1/3 of initial concentration =  = 0.5 mol/L
 = 0.5 mol/L
Rate constant, k = 0.2 L/mol*s
Applying in the above equation as:-
 


<u>6.66 s will it take for [AB] to reach 1/3 of its initial concentration 1.50 mol/L.</u>
 
        
             
        
        
        
Answer:
CaO + H20 => Ca(OH)2
Explanation:
quick lime ia a oxyde and when it reacts with water it gives hydroxide
 
        
                    
             
        
        
        
Answer:
All the carbon will combust with atmospheric oxygen to form carbon dioxide. This means that the charcoal present will become consumed to form colorless carbon dioxide gas.
Explanation:
 
        
             
        
        
        
Explanation:
Knowing the number of valence electrons in one of the alien elements helps in identifying it because the number of valence electrons can help categorize the alien element. Similar elements have the same valence electrons and knowing the category of the element can help further analyze the element.