True I hope this helps you out 
        
                    
             
        
        
        
What do we know that might help here ?
-- Temperature of a gas is actually the average kinetic energy of its molecules.
-- When something moves faster, its kinetic energy increases.
Knowing just these little factoids, we realize that as a gas gets hotter, the average speed of its molecules increases.
That's exactly what Graph #1 shows.
How about the other graphs ?
-- Graph #3 says that as the temperature goes up, the molecules' speed DEcreases.  That can't be right.
-- Graph #4 says that as the temperature goes up, the molecules' speed doesn't change at all.  That can't be right.
-- Graph #2 says that after the gas reaches some temperature and you heat it hotter than that, the speed of the molecules starts going DOWN.  That can't be right.   
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Answer:
0.5*10uF * 16*16 =0.0128
Explanation:
I have no explanation just like my soul.
 
        
             
        
        
        
Answer:19ohms
Explanation:
equivalent resistance=5+2+12
equivalent resistance=19ohms
 
        
             
        
        
        
Answer:
Density of 18.0-karat gold mixture is  .
.
Explanation:
A mixture of 18 parts gold, 5 parts silver, and 1 part copper.
Let mass of gold be 18x
Let the mass of silver be 5x
Let the mass of copper be 1x
The density of gold = 
The density of silver = 
The density of copper =

Volume of the gold in the mixture = 
Volume of the silver in the mixture = 
Volume of the copper in the mixture = 
Mass of the mixture = M = 18x+5x+1x =24x
Volume of the mixture = 
Density of the mixture:
