Explain the purpose of oxidation numbers?

Physics

1 answer:

morpeh [17]2 years ago

5 0

It’s important to know if an atom loses or gains electrons when combining with other atoms to form compounds

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Marat540 [252]

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Which of the following best describes a chemical equation that demonstrates the law of conservation of matter?

LiRa [457]

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3 years ago

The magnitude of a vector can never be less than the magnitude of one of its components. Group of answer choices True False

pogonyaev

Answer:

True

Explanation:

As the formula for magnitude of a vector v and their components $v_1, v_2, v_3, v_4,..., v_n$ is

$v^2 = v_1^2 + v_2^2 + ... +v_n^2$

Since $v_1^2, v_2^2, v_3^2, v_4^2,..., v_n^2 \geq 0$ , this means the sum of them, $v^2$ , is always greater or equal to $v_1^2, v_2^2, v_3^2, v_4^2,..., v_n^2$

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3 years ago

How much voltage is required to run 0.025 A of current through a 36 Ω resistor?

aalyn [17]

Yes D is definitely the answer

V=I×R

V=0.025×36

V=0.9 same as 0.90

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2 years ago