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The equilibrium constant Kc for the reaction C--><-- is 5.10e-5. The initial composition of the reaction mixtures is [C]=[C]=[E]= 1.10e-3 M. What is the equilibrium concentration of C,D,E?
The figure shows (R,R)-1-ethyl-2-methylcyclohexane in one of its chair conformations. Draw the same compound in its other chair conformation. Follow this procedure.
The specific 14C activity of a sample of charcoal is determined to be 12.47 dpm g-1of carbon. What is the age of the sample if the initial activity of 14C in this sample was 13.56 dpm g-1of carbon?
A 20.0- sample of 0.125 HNO3 is titrated with 0.150 NaOH. Calculate the for at least five different points throughout the titration curve and make a sketch of the curve.
What is the pH of the saturated solution of Ca(OH)2 (Ksp = 1.3 x 10-6). 12.14 8.11 11.06 12.37 2. To a 1.00 L solution containing 1.00 x 10-3 mole each of Ca2+, Sr2+, and Ba2+, 0.0100 mole of Na2SO4 solid is added
determine the number of stereoisomers for the following. Sketch these isomers and identify pairs of enantiomers ABA,
Magnesium phosphate precipitates from an aqueous solution. Does the entropy of the system increase or decrease
What explanation can you give as to why a dilute aqueous solution of PtCl42- is pale yellow to colorless, but a concentrated solution is deep red?
A 0.521-g sample of a compound is dissolved in enough water to form 100.0 mL of solution. This solution has an osmotic pressure of 2.45 atm at 25°C. If each molecule of the solute dissociates into two particles (in this solvent), what is the molar..
the rate constant for a particular second-order reaction 0.47 m-1s-1 the initial concentration of reactant 0.25 moll
draw the lewis structures for these species. Do these representations account for the variation in bond distance
Complete the ground-state electron configuration for these ions (using the noble gas abbreviation) and identify the charge. we need to find the electron configuration and the charge for Zinc ion thallium(lll) ion
Which one of the following alkyl halides gives the lowest ratio of substitution to elimination on treatment with sodium ethoxide in ethanol.
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