What is the molecular formula of nicotine
The ratio of carbon to hydrogen to nitrogen in nicotine is 5 to 7 to 1. What is the molecular formula of nicotine if its gram molecular mass is 162 g?
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Hydrogen gas can be produced by reacting aluminum with sulfuric acid. How many moles of sulfuric acid are needed to completley react with 15.0 mole of aluminum?
The caps are then disconnected from their batteries and connected to each other, with each negative place connected to the other positive plate. What is the final charge of each capacitor? And what is the final potential difference across the 40 m
If 60.2 grams of Hg combines completely with 24.0 grams Br to form a compound, what is the percent composition of Hg in the compound?
The new father's parents like only 1 of the boy names and 2 of the girl names. Assuming that the new parents have one child of each gender, what is the probability that the names they chose will make the new grandparents happy?
A. 1.6m long string fixed at both ends vibrates at resonant frequencies of 780hz and 1040hz, with no other resonant frequency between those values. What is the fundamental frequency of this string?
(a) What is the acceleration of each sprinter? (b) What are their respectve maximum speeds? (c) Which sprinter is ahead at 6.00-s mark, and by how much? (d) What is the maximum distance by which Helean is behind Laura, and at what time does that o
Plasma is the fluid portion of blood. The concentration of acetylsalicylic acid (aspirin, C9H8O4, molar mass = 180.0 g/mol) in your plasma is found to be 2.99 x 10-4M after you take two tablets of aspirin.
What is the Ksp for lithium tetraborate if 50.0 mL of a saturated solution of lithium tetraborate requires 9.11 mL HCl to titrate the tetraborate ion?
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