Answer:
The answer to your question is: first option.
Explanation:
C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + energy. This option is correct, 1 molecule of glucose reacts with 6 molecules of oxygen and produces 6 molecules of carbon dioxide, six molecules of water and energy.
C5H12O6 + 6 O2 → 5 CO2 + 6 H2O + energy. This option is incorrect because glucose has 6 carbons not five.
5 CO2 + 6 H2O → C5H12O6 + 6 O2 + energy. This is the reaction of photosynthesis, it is the inverse reaction of cellular respiration.
C6H12O6 + energy → 6 CO2+ 6 H2O + 6 O2. This reaction does not exist.
Answer:
0.113 M
Explanation:
Since B and D are on opposite sides of the reaction, the concentration of D increases when the concentration of B decreases. The amount by which D increases is determined by the coefficients of B and D in the balanced chemical equation:
[D]=
(0.045 M)=0.113 M.
Answer:
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Answer:
pH=2.16
Explanation:
Hello,
In this case, the first step is to compute the molarity of the 0.10%-w/v valproic acid solution by assuming 100 mL of solution:
Moreover, the equilibrium expression for the valproic acid (a weak one) is written as follows:
![Ka=\frac{[H^+][A^-]}{[HA]}](https://tex.z-dn.net/?f=Ka%3D%5Cfrac%7B%5BH%5E%2B%5D%5BA%5E-%5D%7D%7B%5BHA%5D%7D)
Whereas HA represents the valproic acid and A⁻ its conjugate base. Thus, by computing Ka via its pKa and writing the aforementioned equilibrium expression in terms of 
we obtain:
Thus, solving for , which also equals the concentration hydrogen ions, we obtain:
![x=[H^+]=6.93399x10^{-3}M](https://tex.z-dn.net/?f=x%3D%5BH%5E%2B%5D%3D6.93399x10%5E%7B-3%7DM)
Therefore, the pH is:
![pH=-log([H^+])=-log(6.93399x10^{-3})\\\\pH=2.16](https://tex.z-dn.net/?f=pH%3D-log%28%5BH%5E%2B%5D%29%3D-log%286.93399x10%5E%7B-3%7D%29%5C%5C%5C%5CpH%3D2.16)
Best regards.
Answer:
L X W
Explanation:
Area is the amount of space in a 2-dimensional figure. You do this by Length x width, which is the same as Base x width. Take a rectangle for instance. The length is 5 feet and the width is 7 feet. To find the area you do 5 by 7/ 5 x 7. 5 x 7 = 35. The area is 35 square feet/ 35 sq².
