3 years ago

Why is energy required for the boiling process?

Chemistry

1 answer:

-Dominant- [34]3 years ago

5 0

The heat is the required energy.

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What type of elements is on the right side of a Periodic Table?<br> What type is on the left?

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Alex17521 [72]

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2.8248 g

Explanation:

First, consider the balanced chemical equation:

$3NaHCO_{3} +C_{6}H_{8}O_{7} --->3CO_{2} +3H_{2}O +Na_{3}C_{6}H_{5}O_{7}\\$

Then we calculate the number of moles in 4.11 g of citric acid:

n(citric acid)= $\frac{4.11g}{192g/mol}=0.0214mol$

According to the balanced reaction, one mole of citric acid produces 3 moles of carbon dioxide. That's 3 times the number f moles of citric acid. So we will do the same with the available number of moles of citric acid.

so n(carbon dioxide) = 0.0214 mol*3=0.0642 mol

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= 2.8248 g

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3 years ago