What statement does not accurately describe the following equation? C6H12O6+--->6H20+6CO2+energy A) oxygen is a react ant B)
2 answers:
Answer: B) this reaction is endothermic .
Explanation:
This reaction involves glucose and oxygen as reactants on left hand side and water, carbon dioxide and energy as products on right hand side.
The chemical equation shows law of conservation of mass, which means equal number of atoms of each element are present on both sides of the arrow. Thus 18 atoms of oxygen are present on both sides of the arrow.
The reaction releases energy and thus is a exothermic reaction. The reaction which absorbs energy is called as endothermic reaction.
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For a solution to be tested in this experiment and must be buffered to pH of 10, the [OH-] change will be, The hydroxide concentration would be higher and the formation of insoluble hydroxide salts with Mg^2 and Ca^2 would cause the determined concentration of water hardness to be too low.
<h3>What would be the [OH-] change?</h3>
Generally, the equation for the Total hardness is mathematically given as
Where
D=0.02/0.01=2
Therefore
T=1632ppm
in conclusion, The hydroxide concentration would be higher .
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