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Yakvenalex [24]
3 years ago
11

Great amounts of atomic energy are released when a _______reaction occurs.

Chemistry
1 answer:
Mariulka [41]3 years ago
8 0

Great amounts of atomic energy are released when a _______reaction occurs.

Great amounts of atomic energy are released when a chemical reaction occurs. The process can be an exothermic reaction or endothermic reaction depending on the substances involved in the reaction.

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What mass of H₂ is needed to react with 8.75 g of O₂ according to the following equation: O2(g) + H2(g) → H₂O(g)?
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Explanation:

For reacting with 8.75 grams of oxygen, 1.08 grams of hydrogen is required.

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\rm O_2\;+\;2\;H_2\;\rightarrow\;H_2OO2+2H2→H2O

From the equation, 1 mole of oxygen reacts with 2 mole of hydrogen to give 1 mole of water.

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Moles = \rm \dfrac{weight}{molecular\;weight}molecularweightweight

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Since,

1 mole Oxygen = 2 mole hydrogen

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Mass of hydrogen = moles \times× molecular weight

Mass of hydrogen = 0.54 \times× 2

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Thus, for reacting with 8.75 grams of oxygen, 1.08 grams of hydrogen is required.

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What is the pH value of Potassium hydroxide
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from 10-14

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