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san4es73 [151]
2 years ago
13

Which option is an example of physical change?

Chemistry
2 answers:
Murljashka [212]2 years ago
8 0

Answer:

They are all physical exept c

Explanation:

amm18122 years ago
7 0

Answer:

They are all physical except c

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<h3>Further explanation</h3>

The water equilibrium constant (Kw) is the product of concentration

the ions:

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Kw value at 25° C = 10⁻¹⁴

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then the concentration of H₃O⁺:

\tt 10^{-14}=4.22\times 10^{-10}\times [H_3O^+]\\\\(H_3O^+]=\dfrac{10^{-14}}{4.22\times 10^{-10}}=2.37\times 10^{-5}

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