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drek231 [11]
3 years ago
9

When bonds between atoms are broken or formed, what is the outcome?

Chemistry
2 answers:
LuckyWell [14K]3 years ago
8 0
Two or more atoms<span> may </span>bond<span> with each other to form a molecule. When two hydrogens and an oxygen share electrons via covalent </span>bonds<span>, a water molecule is formed. Chemical reactions </span>occur<span> when two or more </span>atoms bond<span> together to form molecules or when bonded </span>atoms are broken<span> apart.</span>
elena-14-01-66 [18.8K]3 years ago
5 0

Answer:

chemical change

Explanation:

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Answer:

8 cm3

Explanation:

The volume of this irregular solid will calculated as the difference between the final volume and the initial volume;

The final volume of the water and the solid is 25 ml

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25 - 17 = 8 ml

We then use the conversion;

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Explanation:

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BartSMP [9]

The complete balanced chemical equation for this is:

<span>3KOH  +  H3PO4  -->  K3PO4  +  3H2O</span>

 

First we calculate the number of moles of H3PO4:

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From stoichiometry, 3 moles of KOH is required for every mole of H3PO4, therefore:

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Answer:

<span>133.7 mL KOH</span>

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