1.What do you call the number in front of a chemical formula that tells how many atoms or molecules of a substance take part in 
the reaction?
A) yield
B) coefficient
C) symbol
D) subscript
2.A balanced equation has ?
A) the same number of reactants as products
B) the same total number of coefficients on both sides of the equation
C) the same number of each kind of atom on both sides of the equation
D) an equal number of molecules on both sides of the equation
3.In a chemical reaction, the total mass of the products _____.
A) must always be the same as the total mass of the reactants
B) is always less than the total mass of the reactants in an open system
C) can be greater or less than the total mass of the reactants
D) must be less than the total mass of the reactants
4.Due to the principle of conservation of mass, _____.
A) all chemical formulas have coefficients
B) all chemical reactions must have an equal number of reactants and products.
C) all chemical reactions must take place in open systems
D) all chemical equations must be balanced
help me please
       
      
                
     
    
    
    
    
    1 answer:
	    You might be interested in
    
        
        
<span>Simply because cells need both these types of molecules for proper function.</span>
        
             
        
        
        
C. they result in uncontrolled growth 
        
             
        
        
        
Explanation:
The endergonic (def) light-independent reactions of photosynthesis use the ATP and NADPH synthesized during the exergonic (def) light-dependent reactions to provide the energy for the synthesis of glucose and other organic molecules (def) from inorganic carbon dioxide and water.
 
        
             
        
        
        
<span>Both of their cell are Eukaryote. </span>
        
                    
             
        
        
        
Answer:
Movement of food, blood, and body parts including limbs (arms and legs)
Explanation: