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Alexxx [7]
3 years ago
11

A trait is a ____________ or feature, such as ____ eyes and ________ hair.

Chemistry
2 answers:
AlekseyPX3 years ago
5 0
Characteristic blue eyes and blond hair?
NARA [144]3 years ago
5 0
Genetic inheritance of you hazel eyes and black hair
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Monochloroacetic acid (HC2H2ClO2) is a skin irritant that is used in "chemical peels" intended to remove the top layer of dead s
yaroslaw [1]

<u>Answer:</u> The pH of the solution is 1.703

<u>Explanation:</u>

We are given:

Concentration of monochloroacetic acid = 0.31 M

The chemical equation for the dissociation of monochloroacetic acid follows:

                  HC_2H_2ClO_2\rightleftharpoons H^++C_2H_2ClO_2^-

<u>Initial:</u>               0.31

<u>At eqllm:</u>        0.31-x             x            x

The expression of K_a for above equation follows:

K_a=\frac{[H^+][C_2H_2ClO_2^-}}{[HC_2H_2ClO_2]}

We are given:

K_a=1.35\times 10^{-3}

Putting values in above equation follows:

1.35\times 10^{-3}=\frac{x\times x}{(0.31-x)}\\\\x=-0.021,0.0198

Neglecting the negative value of 'x' because concentration cannot be negative.

To calculate the pH of the solution, we use the equation:

pH=-\log[H^+]

pH=-\log (0.0198)\\\\pH=1.703

Hence, the pH of the solution is 1.703

5 0
4 years ago
A green powder was placed into a beaker of water. After it was stirred
bekas [8.4K]

Answer:

A solution was NOT formed.

Explanation:

For a solution to be formed, the green powder would need to dissolve in the water to form a homogenous mixture. But since the water was cloudy and had lumps of the green powder, it means that the powder did not dissolve, but instead remained insoluble.

7 0
3 years ago
Doc. No.
charle [14.2K]

Answer: In the reaction:

a) The reactants are: P

b) The products are: M and N

Explanation:

The given reaction equation is as follows.

P \rightarrow M + N

Reactants are the species present on the left side on an arrow in a chemical reaction equation.

On the other hand, products are the species which are present on the right side of an arrow in a chemical reaction equation.

Hence, in the given reaction equation P is the reactant. Whereas M and N are the products.

Thus, we can conclude that in the reaction:

a) The reactants are: P

b) The products are: M and N

8 0
3 years ago
What is hydrophobic exclusion?
stira [4]
Hydrophobic means "water fearing" while polar molecules are hydrophilic meaning "water loving." Hydrophobic exclusion describes the tendency, for examples, of multiple oil droplets in water to coalesce into fewer, larger droplets
3 0
3 years ago
Which cell type below is not an example of a somatic cell?
slamgirl [31]
Hello there!

The correct answer is B. Sperm Cell. 

Hope This Helps You!
Good Luck :)
4 0
3 years ago
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