Question

Green plants give us oxygen to breathe using photosynthesis. Here is the unbalanced chemical reaction that occurs:
___CO2 + ___H2O → ___C6H12O6 + ___O2

What coefficients balance this equation?
A) 2,2,1,3
B) 2,4,2,4
C) 6,6,1,6
D) 6,6,1,9

Answer 1

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Answer 2

Here,

Answer:

(C). 6,6,1,6

Explanation:

Given that,  

The unbalanced chemical reaction

$CO_{2} + H_{2}O\rightarrow C_{6}H_{12}O_{6} + O_{2}$

In the balance chemical reaction,

Law of conservation of mass states that mass can neither be created nor be destroyed but it can only be transformed from one form to another.

The numbers of atom of each element on the product side equal to the numbers of atom of each element on the reactant side.

Therefore, The balance equation will be

$6 CO_{2} + 6 H_{2}O \rightarrow 1 C_{6}H_{12}O_{6} + 6 O_{2}$

On reactant side,

Number of carbon atom = 6

Number of hydrogen atom=12

Number of oxygen atom = 18

On product side,

Number of carbon atom = 6

Number of hydrogen atom=12

Number of oxygen atom = 18

Hence, The option C is correct