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Rama09 [41]
3 years ago
15

What evidence have u collected to explain the relationship between the Moon's revolution and lunar phrase?

Chemistry
1 answer:
Assoli18 [71]3 years ago
3 0

Answer:

A lunar eclipse can only happen during a full moon.

Hope I helped :)

Explanation:

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<em>Calculate the pH of the following substances formed during a volcanic eruption: </em>

<em>• Acid rain if the [H +] is 1.9 x 10-5 </em>

<em>• Sulfurous acid if [H +] = 0.10 </em>

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<em />

<h3>Further explanation  </h3>

pH is the degree of acidity of a solution that depends on the concentration of H⁺ ions. The greater the value the more acidic the solution and the smaller the pH.  

pH = - log [H⁺]  

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\tt pH=-log[1.9\times 10^{-5}]\\\\pH=5-log1.9\\\\pH=4.72

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\tt pH=-log[10^{-1}]\\\\pH=1

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\tt pH=-log[11\times 10^{-2}]\\\\pH=2-log~11=0.959

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Those are both correct! great job, keep up the good work (-:
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