Some effects in gases are completely or partially determined by the Burnett terms of the stress tensor and the heat flux vector. Usually, approximate values of the Burnett transport coefficients for a monatomic gas are used to calculate the above-mentioned quantities. "Exact" expressions for these coefficients correct to values less than one percent are obtained for elastic-sphere molecules. The results of calculations of certain such effects are compared with one another using the approximate and exact Burnett transport coefficients for a monatomic gas consisting of elastic-sphere molecules.
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