theeflyguy5
20.02.2020 •
Chemistry
A weather balloon is inflated to a volume of 25.4 L at a pressure of 743 mmHg and a temperature of 25.8 ∘C. The balloon rises in the atmosphere to an altitude where the pressure is 400. mmHg and the temperature is -13.0 ∘C. Assuming the balloon can freely expand, calculate the volume of the balloon at this altitude
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Ответ:
41.45 l.
Explanation:
Using gas equation,
(P1V1)/T1 = (P2V2)/T2
P1 = initial pressure
= 743 mmhg
= 99.73 kPa
V1 = initial volume
= 25.4 l
T1 = initial absolute temperature
= 25.8 + 273.15
= 298.95 K
P2 = final pressure
= 400 mmhg
= 53.33 kPa
T2 = final absolute temperature
= 273.15 + (-13)
= 260.15 K
V2 = (99.73 * 25.5 * 260.15)/(298.95 * 53.33)
= 41.45 l.
Ответ:
ezxteriamelanteri
Explanation: