2 years ago

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Chemistry

1 answer:

eduard2 years ago

5 0

Answer:

there is the answers. hope this helps

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Guys please help me with this question!

damaskus [11]

A reducing agent is one which is oxidised in the reaction itself. When you take into account the oxidation numbers you will see that the Cl- ions are oxidised from an oxidation number of -1 to 0 in Cl2. Therefore Cl- ions are the reducing agent.

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3 years ago

How is the frequency of an EM wave related to its energy

natulia [17]

Answer:

Higher the frequency, the higher the energy

Explanation:

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3 years ago

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A solution is prepared at that is initially in benzoic acid , a weak acid with , and in sodium benzoate . Calculate the pH of th

Kisachek [45]

Answer:

$pH=4.1$

Explanation:

Hello,

In this case, for a concentration of 0.42 M of benzoic acid whose Ka is 6.3x10⁻⁵ in 0.33 M sodium benzoate, we use the Henderson-Hasselbach equation to compute the required pH:

$pH=pKa+log(\frac{[base]}{[acid]} )$