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Frank and Oswalt report a molar absoptivity of 4700 L mol -1 cm-1 for the thiocyanatoriron(III) ion. What % T would you expect for a solutions that is 1.0x10-4 M in thiocyanatoiron(III) ion, if the path length is 1.00 cm?
Consider HA- the intermediate form of a diprotic acid. Ka for this species is 10-4 and Kb is 10-8. Nonetheless, the Ka and Kb reactions proceed to nearly the same extent when NaHA is dissolved in water. Can anyone explain that
Draw all the structural isomers for the molecular formula C4H9Br. Be careful not to draw any structures by crossing one line over another
treatment of .25g sample of impure potassium chloride with excess AgNO3 resulted in formation of .2912g AgCl. Calculate the % of KCl in the sample.
The rate of a first-order reaction is followed by spectroscopy, monitoring the absorption of a colored reactant at 520 nm. The reaction occurs in a 1.48- cm sample cell, and the only colored species in the reaction has an extinction coefficient of..
how many grams of malonic acid would be needed to make 50.0 milliliters 0.0500 l of 0.200 m malonic acid?the formula
The sample required 3.7 mL of 0.0013 M NaOH to titrate the sample to neutrality. What was the pH of the gastric juice? Hypochloridia is defined as having a stomach pH greater than 4. Was the patient suffering from hypochloridia?
Balance the equation in acidic solution and determine how much of a 0.850 M K2Cr2O7 solution is required to completely dissolve 5.25 g Cu.
what is the minimum amount of ammonium carbonate that is necessary to be placed in the flask in order for the system to come to equilibrium? please show work.
What is the starting temperature of 150ml of gas when cooled to 33 degree C and a volume of 120ml
Suppose we have a flask with a movable piston in which pressure is kept constant at 1.00atm. If an 8.00gram sample of solid ammonium nitrate is introduced into the flask what is the volume of the flask in liters at 298K when the ammonium nitrate h..
In nucleophilic substitution reactions, what is the effect does using 1 degree, 2 degree, and 3 degree substrates have
If 1.00 mole of HI is put into an evacuated 1.00-liter container at 490 degrees C and allowed to reach equilibrium, how much H2 will be present at equilibrium in the reaction H2(g) + I2(g) 2HI, K=45.9 at 490 degrees C?
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