Question 3 : Nicotine, an alkaloid in the nightshade family of plants that is mainly responsible for the addictive nature of cigarettes, contains 74.02% C, 8.710% H, and 17.27% N. (you must show all the steps to earn the grade ) (5pts) a- Find the empirical formula for Nicotine .
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How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
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Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?
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Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.
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Chemistry, 23.06.2019 02:00
Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon
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Question 3 : Nicotine, an alkaloid in the nightshade family of plants that is mainly responsible for...
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