Chemistry, 06.02.2020 01:46, makenahbriana
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 drug
b.) c3h6no3 = hexamethylene triperoxide diamine (hmtd), commonly used explosive
c.) c21h23no5 = heroin, illicit drug
d.) c8h9no2 = acetaminophen, analgesic
e.) c7h5n3o6 = 2,4,6-trinitrotoluene (tnt), common used explosive
f.) c17h19no3 = morphine, analgesic
g.)c10h15n = methamphetamine, stimulant
h.) c4h5n2o = caffeine, stimulant
Answers: 3
Chemistry, 22.06.2019 06:00, nikejose11
An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g
Answers: 3
Chemistry, 22.06.2019 09:40, loveoneonly9153
Consider this initial-rate data at a certain temperature for the reaction described by
Answers: 1
Chemistry, 22.06.2019 17:50, mytymikey123
You exhale co2 which is produced during cellular respiration. co2 combines with the water in your blood's plasma to make up one half of the body's most important buffer pair, carbonic acid. the more physical activity you engage in, the more co2 your body is producing. you can see this by putting some of the cabbage indicator in a glass and then blowing bubbles into it through a straw. can you see a change in the color of the indicator?
Answers: 2
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