Answer:
6.
2AI2O3 + heat ->  4AI + 3O2
Reaction type: Combustion
7.
2AI+ 6HCl -> 3H2 + 2AlCl3
Reaction type: Single Replacement
8.
IDK
Reaction type: Double Replacement?
Explanation:
 
        
             
        
        
        
Answer:
i think it is all atoms of all elements are exactly alike and have the same mass
Explanation:
 
        
             
        
        
        
The temperature or the average kinetic energy of the molecules
 
        
             
        
        
        
Answer:
a lot that's why it's really hot