Chemistry, 30.11.2020 22:00 brooke1897
In an experiment reported in the scientific literature, male cockroaches were made to run at different speeds on a miniature treadmill while their O2 consumption was measured by noting the decrease in its partial pressure in the experimental chamber. For example, a cockroach weighing 52 g and running for 1 hour at an average speed of 0.08 km/hr consumed 5.46 g of O2. Assuming that the volume of the experimental chamber was 3.80 L and that the temperature was 24.1o C, what was the change in the partial pressure of O2 in the chamber?
Answers: 2
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How many miles of water are produced if 5.43 mol pbo2 are consumed
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This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.
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Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
In an experiment reported in the scientific literature, male cockroaches were made to run at differe...
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