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What is the freezing point of a solution containing 15.51 g 3,5-dimethylanisole (C9H12O), a nonelectrolyte, and 257.6 g benzene (C6H6)? The normal freezing point of benzene is 5.50 °C and Kfp for benzene is 5.12 °C/m.
Acid catalyzed hydration of 2-pentene giives two alcohols, each with the molecular formula C5H12O. a) Draw the structure of 2-pentene.
A 25.0 mL sample of river water was titrated with 0.0010 M Na2Cr2O7 and required 8.3 mL to reach the end-point. What is the chemical oxygen demand, in milligrams of O2 per liter, of the sample?
What volume in milliliters of a 0.0992 M NaOH solution is required to reach the endpoint in the complete titration of a 15.0 mL sample of 0.107 M H3PO4?
Explain how many grams of water must be added to 246 grams of sucrose to produce a solution that is 8.00% (m/m)
The Ksp of AgCl at 25 oC is 1.6 x 10-10. Consider a solution that is 1.0 x 10-3 M CaCl2 and 1.0 x 10-7 M AgNO3. 1. Ksp and a precipitate will not form.
The reaction caused the temperature of the solution to rise from 24.09 °C to 27.16 °C. If the solution has the same density and specific heat as water, what is ΔH for this reaction (per mole of H2O produced)? Assume that the total volume is the su..
1.) How is an orbital diagram different than an electron configuration? Use examples to illustrate this.
Describe why barium must be disposed of properly. What are the health effects of excess barium in drinking water? What is the maximum allowable concentration of barium in public water systems?
ethanol c2h5oh and gasoline assumed to be all octane c8h18 are both used as automobile fuel. if gasoline is selling for
tris acid dissociation constant is 8.32 x 10 -9. I have 0.1 m soln of tris in protonated form, o.1m soln of HCL and NAOH, and ample distilled water. Describe the preparation of 1L soln of 0.02m tris buffer, ph is 7.8
the solubility of a gas in water depends on a nature of the gas b temperature c pressure of the gas d all of the
What is the pH of a 1L buffer containing 1.5M Acetic Acid and 1.0M Sodium Acetate? What is the pH of the buffer when 0.5 moles of NaOH is added to solution? Assume no change in volume.
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