tyrone6410
23.11.2019 •
Chemistry
An air/gasoline vapor mix in an automobile cylinder has an initial temperature of 180 ∘c and a volume of 13 cm3 . if the mixture is heated to 587 ∘c with the pressure and amount held constant, what will be the final volume of the gas in cubic centimeters? express your answer in cubic centimeters to three significant figures.
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Ответ:
The final volume will be 24.7 cm³
Explanation:
Step 1: Data given:
Initial temperature = 180 °C
initial volume = 13 cm³ = 13 mL
The mixture is heated to a fina,l temperature of 587 °C
Pressure and amount = constant
Step 2: Calculate final volume
V1/T1 = V2/T2
with V1 = the initial volume V1 = 13 mL = 13*10^-3
with T1 = the initial temperature = 180 °C = 453 Kelvin
with V2 = the final volume = TO BE DETERMINED
with T2 = the final temperature = 587 °C = 860 Kelvin
V2 = (V1*T2)/T1
V2 = (13 mL *860 Kelvin) /453 Kelvin
V2 = 24.68 mL = 24.7 cm³
The final volume will be 24.7 cm³
Ответ:
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