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chemfox08銀蟲 (小有名氣)
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[求助]
普適氣體常數(shù)R是怎么測(cè)的?
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“The gas constant R can be determined by evaluating R=pv/nT for a gas in the limit of zero pressure.However,a more accurate value can be obatained by measuring the speed of sound in a low-pressure gas and extrapolating its value to zero pressure." 請(qǐng)問通過聲速怎么測(cè)R的? |


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