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A syringe containing 1.54 ml of oxygen gas is cooled from 92.8 ∘c to 0.4 ∘c. what is the final volume vf of oxygen gas? (assume that the pressure is constant.)

Respuesta :

jcherry99
Givens
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Ti = 92.8 oC = 92.8 + 273 = 365.8
T2 = 0.4 oC = 0.4 + 273 = 273.4

Vi = 1.54 mL
Vf = ?????

Formula
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Vi/Ti = Vf / Tf
1.54 / 365.8 = Vf / 273.4

Calculations
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1.54 * 273.4 / 355.8 = Vf
vf = 1.15 mL

Comment
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if your teacher is concerned about sig digs, the answer is 1 mL. I'm not sure how to show that it is 1 sig dig. You can ask about this.

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