Chemistry, 01.07.2019 16:40 falldownguyss
Vanillin is the compound containing carbon, hydrogen, and oxygen that gives vanilla beans their distinctive flavor. the combustion of 30.4 mg of vanillin produces 70.4 mg of co2 and 14.4 mg of h2o. the mass spectrum of vanillin shows a molecular-ion peak at 152 amu. use this information to determine the molecular formula of vanillin.
Answers: 1
Chemistry, 21.06.2019 17:00, sillslola816oxb5h7
An aqueous solution of hydroiodic acid is standardized by titration with a 0.186 m solution of calcium hydroxide. if 26.5 ml of base are required to neutralize 20.3 ml of the acid, what is the molarity of the hydroiodic acid solution? m hydroiodic acid
Answers: 1
Chemistry, 22.06.2019 18:00, sandeebassett3
Mercury turns to vapor at 629.88 k how much heat is lost 175 g of mercury vapor at 650 current condenses to a liquid at 297 ca mercury turns to weber at 629.88 kelvin how much he is lost 175 g of mercury vapor and 650 coming condensers to liquidate 297 kevin
Answers: 2
Chemistry, 22.06.2019 21:00, cxttiemsp021
The rate constant for the reaction below is 6.2 x 10−5 mol l−1 s −1. if the initial concentration of a is 0.0500 m, what is its concentration after 115 s?
Answers: 1
Vanillin is the compound containing carbon, hydrogen, and oxygen that gives vanilla beans their dist...
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