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Inga [223]
3 years ago
6

What is the answer??

Chemistry
1 answer:
Alex73 [517]3 years ago
6 0

Answer:

maybe Ga hope this helps and have a wonderful day

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Pepsi [2]
Cells are so little, so they can maximize their ratio of surface area to volume. Smaller cells have a higher ratio which allow more molecules and ions move across the cell membrane per unit of cytoplasmic volume. Cells are so small because they need to be able to get the nutrients in and the waste out quickly.
4 0
4 years ago
Consider the decomposition of hydrogen peroxide reaction. If the rate of decomposition of hydrogen peroxide at a particular temp
Natasha2012 [34]

Answer:

0.049 mol/L.s

Explanation:

The decomposition of hydrogen peroxide is:

H_2O_2 \to H_2O + \dfrac{1}{2}O_2

Rate = -\dfrac{\Delta [H_2O_2]}{\Delta t}= \dfrac{\Delta [H_2O_2]}{\Delta t}= \dfrac{ 2  \Delta [H_2O_2]}{\Delta t}

The rate of decomposition reaction = the rate of formation of H_2O = 0.098 mol/L.s

∴

Rate of formation of O_2 = \dfrac{ rate \ of \ reaction }{2}

= \dfrac{ 0.098 }{2}

= 0.049 mol/L.s

8 0
3 years ago
If the pH is 3.94 what is the concentration of H
solong [7]

Answer:

If pOH is 3.05, pH is 10.95 or

[H+]=1.122⋅10−11 mol/L

Explanation:

pH=−log(H+)Now, what is H+

if your pH is 10.95 (since pH+pOH=14, your pH=10.95).

(H+)=10 −10.95

(H+)=1.122⋅10 −11

This is your hydrogen ion concentration: [H+]=0.00000000001122  mol/L

7 0
3 years ago
Can anyone answer this? (I thank)
Mamont248 [21]
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What is the difference between a theory and an observation
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A theory is like a hypothesis like an idea. Observation is to gain information like taking notes about what you see.
4 0
4 years ago
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