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miskamm [114]
3 years ago
12

I WILL GIVE THE BRAINIEST ANSWER TO THE FIRST PERSON TO ANSWER.TIMED QUIZ!!!ANSWER QUICKLY PLEASE.

Chemistry
2 answers:
Paul [167]3 years ago
4 0

Answer:

radiant to chemical

Explanation:

just took a quiz hope helped

melamori03 [73]3 years ago
3 0

Answer:

Radiant to chemical

Explanation:

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elena-14-01-66 [18.8K]

Explanation:

To create a p-type semiconductor, group 14 semiconductors should be d o ped by atoms from group 13.

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kifflom [539]
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Read 2 more answers
What is the oxidation number of cl− in the perchlorate ion
Yuri [45]

Answer:

The answer is: +7

Explanation:

Oxidation state or oxidation number of an element is the hypothetical charge on an element that forms completely ionic bonds. The oxidation number represents the number of electrons lost or gained by that element.

Perchlorate ion is a molecule with a chemical formula: ClO₄⁻

The oxidation state of oxygen in ClO₄⁻ = -2,

the total charge on the ClO₄⁻ molecule = -1,

let the oxidation state of chlorine be x

<u><em>As the sum of oxidation states of all elements in a molecule is equal to the total charge on the molecule.</em></u>

⇒ oxidation state of chlorine + oxidation state of oxygen × 4 = total charge on the molecule

⇒ x + (-2) × 4 = -1

⇒ x + (-8) = -1

⇒ x = -1 + 8 = +7

⇒<u> </u><u>x = +7</u>

<u>Therefore, the oxidation state of chlorine in the perchlorate ion (ClO₄⁻): x = +7</u>

5 0
3 years ago
Which of the following changes to a pipe would increase the conductance by a factor of 12?
ivanzaharov [21]

C. Tripling the length and reducing the radius by a factor of 2 is the change to a pipe would increase the conductance by a factor of 12.

<u>Explanation:</u>

As we know that the resistance is directly proportional to the length of the pipe and it is inversely proportional to the cross sectional area of the pipe.

So it is represented as,

R∝ l /A [ area is radius square]

So k is the proportionality constant used.

R = kl/A

Conductance is the inverse of resistance, so it is given as,

C= 1/R.

R₁ = kl₁ / A₁

R₂ = kl₂/A₂

R₂/R₁ = 1/12 [∵ conductance is the inverse of resistance]

        = l₂A₁ / l₁A₂

If we chose l₁/l₂= 3 and A₂/A₁= 4 So R₂/R₁= 1/3×4 = 1/12

So tripling the length and reducing the radius by a factor of 2 would increase the conductance by a factor of 12.

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3 years ago
Study the diagram, which represents the general equation for photosynthesis.
Sladkaya [172]

Answer: Y glucose and Z oxygen

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