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While a sodium nitrate and magnesium nitrate are separately heated they both decompose, however the extent of the decompositions are different. State balanced reaction equations to illustrate the reaction and account for the difference in behavior
Based on your understanding of the relationship between acid/base behavior and chemical structure, match the Ka with each acid. Then calculate the pKa which corresponds to each value.
What happens when traces of unreacted magnesium metal in a reaction tube when acid is added, after completion of a grignard synthesis of bromobenzene
Nitrogen-13 is used in tracers injected into the bloodstream for positron emission tomography (PET). The half-life of nitrogen-13 is 10.0 minutes. How much time is required for the activity of a sample of nitrogen-13 to fall to 14.2 percent of its..
Explain how the formation of a soap ‘micelle' helps remove dirt and oil in an aqueous environment.
Explain the trituration process and why all of the CH2Cl2 solvent must be removed to yield piperine crystals
is added to the flask so that the total volume of solid and liquid together is 54.00 . The solid and toluene together weigh 58.58 . The density of toluene at the temperature of the experiment is 0.864
You made up a saturated solution of calcium sulfate(CaSO4). The Temperature is 25 degreescelcius. You then add 5.00 X 10-3 M sodium sulfate(Na2SO4). What are the concentrationsof calcium and sulfate after equilibrium is reached
an unknown mass of mgcl2 was dissolved in sufficient water to fill a 250.0 ml volumetric flask to the mark. a 10.00 ml
at constant volume, the initial pressure of a substance is 0.63 atm and the initial temperature is 283 k.calculate the pressure of the substance at 295 k.
Consider the titration of a 25.0 mL sample of 0.100 M HC2H3O using 0.100 M NaOH as the titrant. Ka=1.8 x 10^ -5. Calculate the pH of the analyte after 10.00 mL of 0.100 M NaOH has been added. Use the Henderson-Hasselbalch equation.
Chloroform, CHCl3, was once used as an anesthetic. Its vapor pressure is 197 mm Hg at 23 degrees Celsius, and 448 mm Hg at 45 degrees Celsius. Estimate its heat of vaporization and normal boiling point.
boron consists of two isotopes... b w mass number 10 andatomic number 5 that has a mass of 10.0 amu....... and b w
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