Crime scene investigators keep a wide variety of compounds on hand to with identifying unknown substances they find in the course of their duties. one such investigator, while reorganizing their shelves, has mixed up several small vials and is unsure about the identity of a certain powder. elemental analysis of the compound reveals that it is 63.57% carbon, 6.000% hydrogen, 9.267% nitrogen, 21.17% oxygen by mass. which of the following compounds could the powder be? a. c11h15no2 = 3,4- (mdma), illicit drugb. c3h6no3 = hexamethylene triperoxide diamine (hmtd), commonly used explosivec. c21h23no5 = heroin, illicit drugd. c8h9no2 = acetaminophen, analgesice. c7h5n3o6 = 2,4,6-trinitrotoluene (tnt), common used explosivef. c17h19no3 = morphine, analgesicg. c10h15n = methamphetamine, stimulanth. c4h5n2o = caffeine, stimulant
Answers: 2
Chemistry, 21.06.2019 23:10
Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.
Answers: 1
Chemistry, 22.06.2019 02:00
If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water
Answers: 1
Chemistry, 22.06.2019 05:30
Choose all the answers that apply. as ocean depth increases, temperature decreases temperature increases pressure increases pressure decreases salinity increases density increases
Answers: 2
Chemistry, 22.06.2019 07:40
21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8
Answers: 2
Crime scene investigators keep a wide variety of compounds on hand to with identifying unknown subs...
English, 05.04.2020 05:01
Computers and Technology, 05.04.2020 05:01
Mathematics, 05.04.2020 05:01
History, 05.04.2020 05:01
Chemistry, 05.04.2020 05:01
Mathematics, 05.04.2020 05:01
Computers and Technology, 05.04.2020 05:01
English, 05.04.2020 05:01
Mathematics, 05.04.2020 05:01
Mathematics, 05.04.2020 05:01