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VashaNatasha [74]
3 years ago
8

A sample of gas occupies 115.9 mL at -206.6°C. What volume does the sample occupy at 175.9 °C?

Chemistry
1 answer:
aniked [119]3 years ago
3 0
Charles law gives the relationship between volume of gas and temperature.
It states that for a fixed amount of gas at constant pressure, volume of gas is directly proportional to the temperature.
\frac{V}{T} = k

where V - volume and T - temperature and k - constant 
\frac{V1}{T1} =  \frac{V2}{T2}
where parameters for the first instance are on the left side and parameters for the second instance are on the right side of the equation
T1 - temperature in Kelvin , -206.6 °C + 273.15 = 66.55 K
T2 - 175.9 °C + 273.15 = 449.05 K
substituting the values in the equation 
\frac{115.9 mL}{66.55 K} =  \frac{V}{449.05 K}
V = 782 mL
the new volume is 782 mL
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