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tatyana61 [14]
3 years ago
7

Is this enough money for this question

Chemistry
2 answers:
Vinil7 [7]3 years ago
7 0
Answer:

36

Explanation:

Sex cells are different from body cells. Sex cells are made up of haploid number of cells. A haploid cell is half the original number of cell. When sex cell combines, they fuse and unite the half number of cells to form a single diploid which makes a complete body cell by a series of process.
All sex cells only contains half the number of cells in their parent.
DiKsa [7]3 years ago
3 0

Answer:

The answer is 36 on edgenuity.

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A solution prepared by mixing 10 ml of 1 m hcl and 10 ml of 1.2 m naoh has a ph of
blagie [28]

Answer: pH of resulting solution will be 13

Explanation:

pH is the measure of acidity or alkalinity of a solution.

Moles of H^+ ion = Molarity\times {\text {Volume in L}}=1M\times 0.01L=0.01mol

Moles of OH^- ion = Molarity\times {\text {Volume in L}}=1.2M\times 0.01L=0.012mol

HCl+NaOH\rightarrow NaCl+H_2O

For neutralization:

1 mole of H^+ ion will react with 1 mole of OH^- ion

0.01 mol of H^+  ion will react with =\frac{1}{1}\times 0.01mole of OH^- ion

Thus (0.012-0.01)= 0.002 moles of OH^- are left in 20 ml or 0.02 L of solution.

[OH^-]=\frac{0.002}{0.02L}=0.1M

pOH=-log[OH^-]

pOH=-log[0.1]=1

pH+pOH=14

pH=14-1=13

Thus the pH of resulting solution will be 13

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3 years ago
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den301095 [7]

Rounded to 1 significant figure, 25 m would go to 30. This is because 0 isn't significant, so the 3 is the only significant figure.

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