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vivado [14]
4 years ago
12

Why don’t plants need a digestive system? A. They do not need nutrients to grow and develop. B. They use energy from the sun to

make their own food. C. They create oxygen, which they use as food. D. They absorb water and food through their roots.
Physics
2 answers:
Sedbober [7]4 years ago
7 0
D .they obsorb water and food through their roots
Studentka2010 [4]4 years ago
6 0
The answer is definitly B

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KI + Cl2 ---&gt; KCl + I2<br> Balance the single replacement chemical reaction.
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Answer:

2KI   +  Cl₂   →   2KCl     +    I₂

Explanation:

The reaction equation is given as:

        KI   +  Cl₂   →    KCl     +    I₂

The problem at hand is to balance this chemical reaction. To solve this problem we use a mathematical approach;

        aKI   +  bCl₂   →    cKCl     +    dI₂

 Conserving K : a = c

                     I :  a  = 2d

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 Now let a = 1, c  = 1 , d  = \frac{1}{2}, b   = \frac{1}{2}, ;

   Multiply through by 2;

             a  = 2, b = 1 , c = 2, d  = 1

 

            2KI   +  Cl₂   →   2KCl     +    I₂

 

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