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Anna35 [415]
3 years ago
14

Hydrogen gas and oxygen gas react to form liquid hydrogen peroxide. Which statement is true about the reaction? A. The same atom

s are present, so the chemical properties remain the same. B. The atoms of the reactants combine to form a new substance. C. The two gases mix together, but a new substance does not form. D. The product that is formed has the same physical properties as the reactants.
Chemistry
1 answer:
stiks02 [169]3 years ago
6 0

Answer: B. The atoms of the reactants have combined to form a new substance.

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5 0
1 year ago
Calculate the ph of a solution whose(oh^-) is 4.583*10^-5 mole dm cube (pkw=14)​
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pH of solution = 9.661

<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.

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pOH=-log[OH⁻]

\tt pOH=-log[4.583\times 10^{-5}]\\\\pOH=5-log~4.583=4.339

pH+pOH=pKw

\tt pH=14-4.339\\\\pH=9.661

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