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Which atom in each of the following pairs has a larger radius? (a) Na or K (b) V or Ta (c) V or Zn (d) Li or Ba
As2O3(s) + NO3-(aq) --> H3AsO4(aq) + N2O3(aq) (acidic solution) what is the oxidizing and reducing agent?
A sample of sulfur weighing 0.210g was dissolved in 17.8g carbon disulfide. (Kb= 2.340C/m ) If the boiling point elevation was 0.1070C, what is the formula of a sulfur molecule in this environment
How would one synthesize 1,3-dibromo-2-methoxy-5-nitrobenzene starting with benzene
Provide a mechanism to account for the fact that acid-catalyzed dehydration of 2,2-dimethylcyclohexanol and of 2,3-dimethylcyclohexanol (mixed isomers) produces the same major product.
A by-product of the Witting-Rxn is triphenylphosphine oxide. At what step in the experimental procedure is this compound removed
An iron (II) complex of the formula FeL5 2+ might have either square pyramidal or trigonal bipyramidal geometry. Would it be possible to differentiate between these geometries on the basis of a magnetic susceptibility? How would the number of unpa..
A chemist produces 460 mL of oxygen gas at - 43 °C and constant pressure. To what Celsius temperature must the oxygen be warmed in order for it to have a volume of 600 mL?
operating a heat exchanger with pentane and propane. 100 mol/h pentane enters at 300 C and leaves at 400 C. 100 mol/h propane enters at 600 C. What is the exit temperature?
The following ions contain the same number of electrons. Rank them in order of decreasing ionic radii. Rank from largest to smallest radius. Cs^+, I^-, Te^2-, La^3+, Ba^2+, and Sb^3-
If the chemistry of a plant is the same on a different planet as it is on earth, would it still be green in color if no light with wavelength less than 650 nm reaches the surface. Would they be this color everywhere
A 30.00 mL volume of a weak acid, HA, (Ka = 3.8 x 10^-6) is titrated with 39.00 mL of 0.0958 M NaOH to the equivalence point. What is the pH of the analyte solution before any base is added to it
How many moles and liters of gas would be produced by reacting 55.7 g of NaHCO3 with excess vinegar. Assume the reaction releases all the gas theoretically possible, and the reaction takes place at 22 C and 1 atm. NaHCO3(s) + CH3COOH(aq)-> CO2(g) ..
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