Answers: 1
Chemistry, 21.06.2019 23:00
What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol
Answers: 2
Chemistry, 22.06.2019 09:20
Explain that newton first law,second law and third law of motion?
Answers: 2
Chemistry, 22.06.2019 13:00
6. using 3 โ 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 โ 4 sentences in your explanation.
Answers: 1
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
True or false? one way that consumers can encourage the efficient use of energy by industries is to...
Mathematics, 11.07.2019 15:30
English, 11.07.2019 15:30
Mathematics, 11.07.2019 15:30
Health, 11.07.2019 15:30
Mathematics, 11.07.2019 15:30
Mathematics, 11.07.2019 15:30
Biology, 11.07.2019 15:30
Biology, 11.07.2019 15:30
Biology, 11.07.2019 15:30
History, 11.07.2019 15:30
Biology, 11.07.2019 15:30