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Problem- A gas mixture is made by combining 7.0 g each of Ar, Ne, and an unknown diatomic gas. At STP, the mixture occupies a volume of 16.60. What is the molar mass of the unknown gas? Identify the unknown gas
I am not able to get the correct answer please help me
Related to your studies in stereochemistry, suppose we perform one of these reactions on an alkene and obtain a product with an optical purity of 92.3%. The product consists of desired molecule and its enantiomer. Suppose you have 54 g of product...
Calculate the pH at the equivalence point for the titration of .10 M NH3 by .10 M perchloric acid. pKb for NH3=4.74.
Describe the effects of a catalyst on a reaction; (what is changed what is not), include a rough sketch showing the reaction profile for an uncatalyzed reaction and a catalyzed reaction. Provide an example of a catalyzed reaction.
The known metal ion solution used in this experiment contains 0.10 M of each of the six metal ions. What are the initial concentrations of Ag, Pb, and Cl before any precipitation/reaction occurs, but after the mixing (i.e. dilution) of equal volum..
A covalent compound is composed of a nitrogen atom, a hydrogen atom, and a carbon atom. How many electrons should the Lewis structure of the covalent compound contain
A mammalian species uses the following metabolic pathway to obtain another bioactive substance. Draw the skeletal structure of the product of each metabolic process. (Show your product in the unionized state and omit any stereochemistry. You may c..
What is the activation energy for a reaction if its rate is found triple when the temperature is raised from 615K to 632K
The pressure in a sealed flask is 2.3 atm at 30. degrees Celcius. What would be the temperature of the flask (in degrees Celcius) if the pressure inside the flask was decreased to 1.1 atm. (Assume that the volume of the flask does not change with ..
Calculate the pH during the titration of 24.8 mL of 0.736 M HBr(aq) with 0.185 M KOH(aq) after 14.1 mL of the base have been added
when selecting the appropriate wavelength and bandwidth for a spectrophotometric analysis the bandwidth should be as
Define Carborundum (SiC) is a hard substance made by combining silicon dioxide with carbon(C) as follows- SiO2(s)+3C(s) = SiC(s) + 2CO(g). Define what mass of SiC is formed from the complete reaction of 4.8 mol of carbon
Calculate the Ka of an unknown monoprotic acid. When 15 mL of the acid was titrated with 28 mL of 0.15 M sodium hydroxide the equivalence point was reached at a pH of 8.48.
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