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Vadim26 [7]
3 years ago
14

Which pigment is responsible for grey hair?

Chemistry
2 answers:
liraira [26]3 years ago
8 0

Answer:

its melanin or some people call it pigment

Explanation:

i hope that helped

almond37 [142]3 years ago
7 0

Answer:

No pigment.

Explanation:

Pigment makes color, and hair loses color when it loses pigment.

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The electron configuration of a neutral atom is 1s22s22p63s2. Write a complete set of quantum numbers for each of the electrons.
Pavlova-9 [17]

Answer:

The four quantum number for each electron will be:

1s^{2}

n=1;l=0;m=0;s=+\frac{1}{2}/-\frac{1}{2}

2s^{2}

n=2;l=0;m=0;s=+\frac{1}{2}/-\frac{1}{2}

2p^{6}

n=1;l=1;\\m=+1,0.-1 \\s=+\frac{1}{2}/-\frac{1}{2}

3s^{2}

n=3;l=0;m=0;s=+\frac{1}{2}/-\frac{1}{2}

Explanation:

As the element is neutral, the number of protons will be equal to number of electrons which will be the atomic number of the element.

Number of electrons =12

Atomic number = 12

Element : Magnesium

The principal shell is represented by "n"

i) For "s" subshell the value of l =0 (azimuthal quantum number) thus m (magnetic quantum number)= 0

The two electrons in s subshell will have either plus half or minus half spin quantum number

ii) for "p" subshell the value for l =1

thus m = 0 or +1 or -1

The two electrons in each orbital will have either plus half or minus half spin quantum number

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2 years ago
What charge would you expect for an formed by P?
Alex73 [517]

Answer:

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2 years ago
Consider the four free body diagrams. Free-body diagrams are diagrams used to show the relative magnitude and direction of all f
9966 [12]
If you look closely at each of the four diagrams you would be able to conclude that

<span>D) 
Yes. In B and D. In both cases, there is a net force. 
In B, there is a net force to the left; in D there is a net force upward.

In A and C, the forces are in equilibrium both in the horizontal and vertical direction.</span>
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3 years ago
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Why is heat needed to get a reaction to occur
Ahat [919]

Answer:As temperature increases, reactions take place. Generally, higher temperatures mean faster reaction rates; as molecules move about more quickly, reactant molecules are more likely to interact, forming products.

Explanation:

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3 years ago
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Considering 2N2H4(g) + N2O4(g) -&gt; 3N2(g) +4H2O(g)
Tema [17]

Answer:

107.8

Explanation:

64 gram of N2H4 produce 72 gram of H20

then by crossmultiplication

64*121.3/72=107.82

3 0
2 years ago
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