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A solution of 2.00 g of Para-dichlorobenzene a clothes moth repellant in 50.0g of cyclohexane freezes at 1.05 deg C. Explain what is the molar mass of this substance?
Carbon monoxide is often used in metallurgy to remove oxygen from metal oxides and thereby give the free metal. The thermochemical equation for the reaction of CO2 with Fe2O3 is Fe2O3 (s) + 3 CO (g)
For each of the following electronic transitions in the hydrogen atom, calculate the energy, frequency, and wavelength of the associated radiation, and determine whether the radiation is emitted or absorbed during the transition:
Compute the pH of a solution of 30.0mL of 0.0580 m malonic acid (H2C3H3O4) while it is titrated to the second equivalence point with 0.100 M KOH. For H2C3H2O4 Ka1: 1.5*10^-3 and Ka2:2.0*10^-6
Consider a solution formed by mixing 58.0 mL of 0.100 M H2SO4, 37.0 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 25.0 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH.
a 25.00-ml sample of orange drink with 2 g of ki and 25.00 ml of 0.0131 m kio3 added was back-titrated with a 0.0302 m
The above sodium hydroxide solution (the titrant) is used to titrate the nitric acid solution (the analyte). If 16.77 mL of the titrant is dispensed from a buret in causing a color change of the phenolphthalein, what is the molar concentration of ..
Why is concentrated sulfuric acid employed in the nitration of methyl benzoate reaction. What is the electrophile that is produced by the reaction of sulfuric acid and nitric acid
What is the simplest explanation of why the 45kD and the 90kD proteins copurified the column. What would be an alternative explanation
10.08g of potassium chlorate, KClO3 is heated to decomposition according to the following equation. How many grams of O2 gas will be produced?
how many grams of oxygen are collected in a reaction where 231 ml of oxygen gas is collected over water at a
what ion is the base in this reaction. What is the acid? What is the spectator ion in this rxn? Please be detailed and and show the states
Show that the ratio of the surface area to the volume of the sphere is smaller than that for a cube of equal volume
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