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Decide how many of the molecules below can also be both cis and trans ring fused by building models
What is the relationship between 2,2-dimethyl[2.2.2.0]tricyclooctane and 3,3-dimethyl[2.2.2.0]tricyclooctane. A. they are constitutional isomers
Pretend you started with 3.15 g of Panacetin, and you isolated 822 mg of sucrose. What is the percent composition of sucrose in Panacetin?
A student dissolves 0.2975 g of the unknown weak acid to give 100. mL solution. S/he obtains the following titration curve for his/her best titration. At the equivalence point, 19.0 mL of 0.1000 M N
Which substance is removed from the dichloromethane and transferred to the aqueous 1 M sodium hydroxide
Draw (A) a 1o alcohol with four carbons; (B) a 3o iodide with five carbons; (C) a 2o alcohol with a 1o chloride on three carbons; and (D) a methyl bromide.
Confirm whether an acid base reaction occurred stoichiometrically. The concentration of concentrated nitric acid is 15.8 M. For full credit show all calculations.
After you filter off the component that does not dissolve in dichloromethane, you will transfer the dichloromethane to a separatory funnel and wash with aqueous 1 M sodium hydroxide. Which layer is
Draw a potential energy diagram for the reaction between 1-butanol and hydrobromic acid. On your diagram indicate the structures of key reaction intermediates that correspond to energy maxima and mi
Write a reaction mechanism for the reaction between 2,3-dimethyl-3-hexanol with hydrochloric acid. (B) What is the reaction mechanism type for this reaction
Draw both conformers and suggest which of them is stable. Suggest a reason why the unstable conformer is unstable.
Confirm whether an acid base reaction occurred stoichiometrically. The concentration of concentrated nitric acid is 15.8 M. For full credit show all calculations
A student doing this experiment obtained a value of 110% for the recovery if copper. What is the possible explanation for this anomalous result
Copper (II) hydroxide from Copper (II) nitrate. Confirm that an acid base reaction occurred stoichiometrically identify the limiting the reactant and the excess reactant.
A particular reactant decomposes with a half-life of 133 s when its initial concentration is 0.271 M. The same reactant decomposes with a half-life of 219 s when its initial concentration is 0.165 M
Draw (A) eclipsed, (B) gauche, and (C) anti conformations of the second C-C bond in 1-pentanol using Newman Projections, wedge and dash diagrams, or sawhorse diagrams.
Calculate the molar enthalpy change ?H~rxn for the dissolution of KNO3 in water. Calculate in the error in ?H~
The drying oven, although thought (and assumed) to be set at 125 degrees C, had an insie temperature of 84 degrees C. How will this error affect the reported percent by mass of the limiting reactant
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.738 V. If the silver-silver chlor
Using the quadratic equation to calculate H3O+ in 0.00250 M HNO2. what are the values of a,b,c, and x. Recall that Ka=4.5 x 10^4
The CaC2O4.H2O precipitate is not completly air-dried when its mass is deteremined. Will the reported mass of the limiting reactant in the original salt mixture be reported too high or too low? Expl
The zincblende structure of ZnS has the relatively large sulfide ion arranged at the lattice points of a face-centered cubic structure. The edge length of cubic unit cell is 540.9 pm. Determine the
4.3 g of Sample D (molar mass = 82.5 g/mol) is combusted in a coffee cup calorimeter. 120 mL of H2O at 23.4°C increases to 28.9°C. What is the enthalpy change for the reaction of D in J/g
Describe the procedure for doing isopentyl acetate. provide the calculation and all the reagents that can be used in this reaction