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creativ13 [48]
2 years ago
15

A balloon filled with air has a volume of 4.24 liters at 23.00°C. If the balloon is cooled at constant pressure to 5.00°C, what

is its new volume?
Chemistry
1 answer:
hammer [34]2 years ago
4 0

Answer:

The new volume if the balloon is cooled at constant pressure is 3.98 L

Explanation:

The new volume is calculated using the Charles law formula

that is V1/ T1 = V2/T2 where,

V1 = 4.24 l

T1= 23c into kelvin = 23 +273 =296 K

T2 = 5.00 c into kelvin = 5.00 + 273 = 278 K

V2 = ?

by making V2 subject the subject of the formula by multiplying both side by T2

V2 = V1 xT2/ T1

V2 = (4.24 L x 278 K) / 296 k = 3.98 L

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If 10g of sodium react with an unlimited amount of chlorine how much sodium chloride will get produced?
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Answer: Amount of  sodium chloride produced is 25.43 grams.

Explanation:

To calculate the moles:

\text{Number of moles}=\frac{\text{Given mass}}{\textMolar mass}}

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\text{Moles of sodium}=\frac{10g}{23g/mol}=0.4347mol

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By Stoichiometry of the reaction,

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0.4347mol=\frac{\text{Mass of NaCl}}{58.5g/mol}=25.43g

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