Chemistry, 18.12.2019 19:31, Qwerty2771
Two 0.9ml aliquots of the same specimen are placed in test tubes. to one is added 0.1 ml of water (spec a). to the other is added 0.1 ml of 200 mg/dl urea (spec b). they are analyzed for their results: spec a: 25 mg/dl, spec b: 43 mg/dl. what is the percent recovery of this method?
Answers: 2
Chemistry, 21.06.2019 22:30, kingteron5870
Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?
Answers: 1
Chemistry, 22.06.2019 05:20, anggar20
Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.
Answers: 1
Chemistry, 22.06.2019 13:50, kelonmazon2492
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
Answers: 3
Two 0.9ml aliquots of the same specimen are placed in test tubes. to one is added 0.1 ml of water (s...
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