A sample of gas has a volume of 2.80L at an Unknown temperature. When the sample is submerged in ice water at t=0 Celsius, its volume decreases to 2.57 L. What was its initial temperature (in kelvins and in celsius)? Assume a constant pressure ( To distinguish between the two temperature scales, use t for temperature in Celsius and T for temperature in to k).
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Answer:
Its initial temperature (in kelvins and in celsius) is 297.34 K and 24.19 °C.
Explanation:
Charles law states that the volume of an ideal gas is directly proportional to the absolute temperature at constant pressure.
V₁/T₁=V₂/T₂
2.8/T=2.57/273
T=(273×2.8)÷2.57
=297.34 K
The temperature conversion formula from Kelvin to Celcius is:
C = k − 273.15
⇒c=297.34-273.15
=24.19 °C
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