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laiz [17]
3 years ago
14

The "Ring of Fire" is a set of _________ that often occur along plate boundaries. There are many plate boundaries along Pacific

coastlines.
Chemistry
1 answer:
vampirchik [111]3 years ago
6 0

Answer:

There are many plate boundaries along Pacific coastlines is explained below in complete details.

Explanation:

The San Andreas Fault, extending along the central west shoreline of North America, is one of the common operating faults on the Ring of Fire. It rests on the transform boundary within the North American Plate, which is traveling south, and the Pacific Plate, which is traveling north. This kind of boundary produces a large number of earthquakes as tightness in Earth's crust forms up and is discharged.

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Electrical energy is the energy of ____<br><br> 4O POINTS!!!
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Electrical energy is the energy of electrons

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Calculate the percent yield when 500 grams of carbon dioxide react with an excess of water to produce 640 grams of carbonic acid
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Answer:

Percent yield =  90.5%

Explanation:

Given data:

Mass of carbon dioxide = 500 g

Mass of water = excess

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Solution:

Balanced chemical equation:

CO₂ + H₂O  → H₂CO₃

Number of moles of carbon dioxide

Number of moles  = Mass / molar mass

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Number of moles = 11.4 mol

Now we will compare the moles of H₂CO₃ with CO₂.

                              CO₂          :              H₂CO₃

                                 1             :                  1

                               11.4           :                11.4

Mass of carbonic acid:

Mass = number of moles × molar mass

Mass = 11.4 mol × 62.03 g/mol

Mass = 707.14 g

Percent yield:

Percent yield = actual yield / theoretical yield × 100

Percent yield =  640 g/ 707.14 g × 100

Percent yield =  90.5%

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4.5 \times 10^{ - 11} picograms

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