Answer:            But-2-enoic acid has 
11 Sigma Bonds and
 2 Pi Bonds.
Explanation:                   The sigma bonds which are formed due to head to head overlap of partally filled orbitals are shown in 
red color, while Pi bonds which are formed after the formation of sigma bond by overlap of orbitals perpendicular to the sigma bond are shown in 
blue color.
 
        
             
        
        
        
482VP I think is  the correct answer.
        
             
        
        
        
<span>C. Gravity acts on all objects in the universe.
think about Newtons Laws of Motion</span>
        
                    
             
        
        
        
Answer:
Conductivity meter
Explanation:
All of the other choices measure pH and can tell you when the pH changes, which is how you know the neutralization reaction has occurred. A conductivity meter does not measure pH.