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In an experiment of the synthesis of cyclohexene (cyclohexanol was dehydrated to form cyclohexene):
*Write balanced equations for:
a. cyclohexene with potassium permanganate solution
b. cyclohexene with bromine-water solution
For each reaction, identify the substance being oxidized and the substance being reduced. Express answers as chemical formulas for oxidized and reduced answers. 1. 2Sr(s)+O2(g)----->2SrO(s) 2. Ca(s)+Cl2(g)---->CaCl2(s) 3. Ni^2+(aq)+Mg^2+(aq)+Ni(s)
The density of acetonitrile (CH3CN) is 0.786g/ml, and the density of methanol (CH3OH) is 0.791g/mL . A solution is made by dissolving 21.5 mL (CH3OH) in 98.9 mL CH3CN. a) What is the mole fraction of methanol in the solution
Draw the structural formula of Val-Ala-Leu. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all hydrogen atoms
The active ingredient in aspirin is acetylsalicylic acid (HC9H7O4) a monoprotic acid with Ka = 3.3 10-4 at 25°C. What is the pH of a solution obtained by dissolving two extra-strength aspirin tablet
An unknown sample of Cu2+ gave an absorbance of 0.292 in an atomic absorption analysis. Then 2.00 mL of solution containing 100.0 ppm (= µg/mL) Cu2+ was mixed with 95.0 mL of unknown, and the mixture was diluted to 100.0 mL in a volumetric flask. ..
If none of the available reagents can be used for this purpose, then identify another reagent from the table that could be used. For each reagent you've identified, write down a balanced chemical equation for the reaction that occurs.
In basic solution CrO42- oxidizes HSnO2- to HSnO3- and is reduced to CrO2-. Write the balanced net ionic equation for this reaction. How many OH- are there in the balanced equation
Calculate the vapor pressure of this solution at 25.0 degrees C. At this temperature, the vapor pressure of pure water is 23.8 mmHg.
N2(g)+3F2(g)-->2NF3(g). If 1.7 g of nitrogen and an excess of fluorine is used in the reaction, what mass (g) of NF3 can be produced
Using phosphoric acid, what concentrations are needed to give a pH 8.10 solution with an ionic strength of 0.100 M?
Thermodynamic measurements reveal that ?H° = -66.3 kJ/mol and ?S° = -73.2 J/mole*K at 40°C. What is the equilibrium constant for the binding reaction at 40°C?
Platinum crystallizes with a face centered cubic lattice. The atomic radius of platinum is 0.138nm, and the atomic mass is 195.1 . (a) Calculate the lattice parameter of Pt from these data
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