A spherical weather balloon has volume of 12.0 L when inflated in STP. Assuming it could stay anchored and intact as a hurricane passed overhead lowering the pressure to 720.0 mm Hg what would be the new volume of the balloon assuming the temperature stays at 0 C?
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Ответ:
V₂ = 12.63 L
Explanation:
Given data:
Initial volume of balloon = 12.0 L
Initial temperature = standard = 273 K
Initial pressure = standard = 1 atm
Final pressure = 720.0 mmHg (720/760 = 0.95 atm)
Final volume = ?
Final temperature = 0°C ( 273 k)
Solution:
Formula:
P₁V₁/T₁ = P₂V₂/T₂
P₁ = Initial pressure
V₁ = Initial volume
T₁ = Initial temperature
P₂ = Final pressure
V₂ = Final volume
T₂ = Final temperature
Solution:
V₂ = P₁V₁ T₂/ T₁ P₂
V₂ = 1 atm × 12.0 L × 273 K / 273 K × 0.95 atm
V₂ = 3276 atm .L. K / 259.35 k.atm
V₂ = 12.63 L
Ответ:
Thus, 1 mole of C6H14 contains 6.02 × 10^ 23 molecules,
Therefore, 9.25 × 10^24 molecules will have;
(9.25 × 10^24)/ (6.02 ×10^23)
= 15.365 moles.