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2 years ago

7

Based on the law of conservation of mass, if approximately 20g of water reacts in the following equation,

1 answer:

GaryK [48]2 years ago

4 0

Answer: H2O2

Explanation:

First, calculate the moles of H2O2 reacting. In order to do this, we must evaluate the relative molecular mass ( Mr ) of hydrogen peroxide

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3 years ago

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3 years ago

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kondor19780726 [428]

Hy tikki! I've asked some questions, so of you find the questions as easy, then answer it. I'll surely mark you as brainliest :)

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3 years ago

The perceived loudness of a sound is measured in

diamong [38]

<h2>Answer: decibels </h2>

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It should be noted that itself<u> is not a unit of measure</u>, since in reality the unit is bel $B$ (which <u>is not part of the International System of Units</u>) in honor of Alexander Graham Bell.

However, given the amplitude of the measured elements in practice, its submultiple, the decibel, is used. That is, this quotient is a logarithmic expression, where $1dB=0.1B$

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