Solution-Calculate the value of accurate value of the gas

Calculate the value of accurate value of the gas constant r

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a) In an attempt to determine an accurate value of the gas constant, R, a student heated a container of volume 20.000 dm³ filled with 0.251 32 g of helium gas to 500^°C and measured the pressure as 206.402 cm of water in a manometer at 25^°C. Calculate the value of R from these data. (The density of water at 25^°C is 0.997 07 g cm^-3;

(b) The following data have been obtained for oxygen gas at 273.15 K. Calculate the best value of the gas constant R from them and the best value of the molar mass of O₂.

p/atm	0.750 000	0.500 000	0.250 000
Vm/(dm³ mol^-1)	29.9649	44.8090	89.6384
?/(g dm^-3)	1.07144	0.714110	0.356975

Reference no: EM13849605

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Calculate the value of accurate value of the gas constant r

Reference no: EM13849605

Reference no: EM13849605

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