Answer:
Just study the thing don't expect others to just answer the homework for you
Explanation:
If you truly are a good student then you should have asked your teacher in person or through email instead of asking on here. Not trying to be mean but you also have to understand that people on here have a life. :)
 
        
                    
             
        
        
        
False, it would be considered  9.46 * 1,000,000,000,000,000
        
                    
             
        
        
        
Answer:
Explanation:
Driving a car (burning gas is a chemical change) and almost all the plastics we use are made by chemical reactions of different components. 
 
        
             
        
        
        
The answer is:
the molarity = 50 moles/liters
The explanation:
when the molarity is = the number of moles / volume per liters.
and when the number of moles =2.5 moles
and the volume per liters = 0.05 L
so by substitution:
the molarity = 2.5moles/0.05L
                     = 50 moles /L