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3 years ago

Which term identifies the half-reaction that occurs at the anode of an operating electrochemical cell?

Chemistry

1 answer:

Inga [223]3 years ago

4 0

Oxidation reaction.
Cathode on the other hand is reduction.

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A sample of an ionic compound that is often used as a dough conditioner is analyzed and found to contain 4.628 g of potassium, 9

Roman55 [17]

Answer:

The empirical formula of the compound is = $KBrO_3$

The name of the compound is potassium bromate.

Explanation:

Mass of potassium = 4.628 g

Moles of potassium = $\frac{4.628 g}{39 g/mol}=0.1187 mol$

Mass of bromine = 9.457 g

Moles of bromine = $\frac{9.457 g}{80 g/mol}=0.1182 mol$

Mass of oxygen = 5.681 g

Moles of oxygen = $\frac{5.681 g}{16 g/mol}0.3551$

For empirical formula of the compound, divide the least number of moles from all the moles of elements present in the compound:

Potassium :

$\frac{0.1187 mol}{0.1182 mol}=1.0$

Bromine;

$\frac{0.1182 mol}{0.1182 mol}=1.0$

Oxygen ;

$\frac{0.3551 mol}{0.1182 mol}=3.0$

The empirical formula of the compound is = $KBrO_3$

The name of the compound is potassium bromate.

5 0

3 years ago

How is the weight of an object in a spaceship near the moon related to the distance that the spaceship is from the moon? A) Ther

Gnesinka [82]

Because your answer would be B for your homework

3 0

3 years ago

Read 2 more answers

1. The Yerkes-Dodson Law says

goblinko [34]

Answer:

The Yerkes-Dodson Law suggests that there is a relationship between performance and arousal. Increased arousal can help improve performance, but only up to a certain point.

Explanation:

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2 years ago

Which types of reactions would result in the formation of precipitate?

IRINA_888 [86]

Answer:

Double Displacement Reaction

Explanation:

A double displacement reaction is a type of chemical reaction in which the reactant ions exchange places to form new products. Usually, a double displacement reaction results in precipitate formation.

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3 years ago

Which of the following radiation sources provides the greatest radiation dose?

Sedbober [7]

I believe the answer is background radiatin

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3 years ago