How does the electrical force relate to the distance between two charged objects?
2 answers:
<u>Answer:</u>
The correct answer option is 'It is inversely proportional to the square of the distance.'
<u>Explanation:</u>
The electrical force is inversely proportional to the square of the distance.
The relation of the electrical force to the distance between the two charged objects is given by the Coloumb's law which states that:
where is the electrical force,
and
are the two charges which are separated by the distance
.
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Answer: 67.2 moles
Explanation:
According to the given balanced equation, 2 moles of acetylene combine with 5 moles of oxygen
to produce 4 moles of carbon dioxide
.
Thus if 2 moles of acetylene combine with = 5 moles of oxygen
35 moles of acetylene combine with=
moles of oxygen
But as only 84 moles of oxygen are available, acetylene is not a limiting reagent.
5 moles of oxygen reacts with = 2 moles of acetylene
84 moles of oxygen reacts with=
moles of acetylene
Thus Oxygen is the limiting reagent as it limits the formation of products. Acetylene is excess reagent as it is present in excess.
2 moles of acetylene produce= 4 moles of carbon dioxide
.
33.6 moles of acetylene produce=
moles of of carbon dioxide
.