At one time in the Earth’s history, many people thought the world was flat. Which best explains why the model of the Earth is no
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Answer:
Explanation:
Hello,
In this case, for the reaction:
We first must assign the oxidation state of each element:
Thus, we should remember that the oxidation half-reaction applies for the element undergoing an increase in its oxidation state, such case is sulfur, for which passes from 0 to +4 as shown below:
It means, that four electrons were lost due to the effect of the strong oxidizing agent, potassium dichromate.
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