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henrylauren2006
18.01.2021 •
Chemistry
If you have a gas sample with an initial pressure of 16 atm, an initial volume of 20 L and a temperature of 500 K, what will the final temperature be if you change the pressure to 4 atm and the volume to 35 L?
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Ответ:
T₂ = 218.75 K
Explanation:
Given data:
Initial volume = 20 L
Initial pressure = 16 atm
Initial temperature = 500 K
Final temperature = ?
Final volume = 35 L
Final pressure = 4 atm
Formula:
P₁V₁/T₁ = P₂V₂/T₂
P₁ = Initial pressure
V₁ = Initial volume
T₁ = Initial temperature
P₂ = Final pressure
V₂ = Final volume
T₂ = Final temperature
by putting values,
P₁V₁/T₁ = P₂V₂/T₂
T₂ = P₂V₂ T₁/ P₁V₁
T₂ = 4 atm × 35 L × 500 K / 16 atm × 20 L
T₂ = 70000 atm .L. K / 320 atm.L
T₂ = 218.75 K
Ответ:
B.Stress pulling an object is the correct answer.
Explanation:
tension is a Stress pulling an object.
Tension is stress that pulls an object and stress on any object occurs when certain force or pressure is applied to a material.
Tension force creates stress or strains on any substance.
Tension is defined as the pulling energy transferred axially by the means of a chain, by a rod or by a string when stretched tightly by forces that are working from the opposite points.