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Consider the data below representing a run for the Clock Reaction. If the volumes of reagents indicated were combined and 219 seconds elapse before the color appears, calculate the rate of reaction in M/s.
0.50 mL 0.00050 M Na2S2O30.50 mL 0.010 M KI0.50 mL 0.040 M KBrO30.25 mL 0.100 M HCl0.75 mL DI H2O
1-2 drops 1% starch indicator (negligible volume)
The flask was then shaken until the solution was uniform. A 60.0ml- sample of this glucose solution was diluted to 0.500 L . How many grams of glucose are in 100.ml of the final solution?
Determine how much heat is released when 15.7 kilo grams of ethane forms If 112 kilo joule is given off per mole of ethene reacting,?
Give explanation why the boiling point of a 2-component mixture increase slowly throughout a simple distillation while the boiling point differences are not large?
if 646 mL of gas at 280 K Is heated to 297 K, what will the new volume be? using charles's law
Based on the half-reactions and their respective standard reduction potentials below, which addition to an aqueous solution containing Fe(NO3)2 will result in a reaction under standard-state conditions?
The pH of a bicarbonate-carbonic acid buffer is 8.00. Calculate the ratio of the concentration of carbonic acid (H2CO3) to that of the bicarbonate ion (HCO3-).
Calculate the theoretical pH of 0.250 M weak acid, HA. Calculate the theoretical pH of a 2.5 x 10-3 M weak acid, HA, that has a Ka value of 1.2 x 10-4. What happens to % ionization of the weak acid as you dilute the acid?
show the acid catalyzed enamine product formation from 2-butanone and diethylamine
Sodium ions are found int eh extraellular fluid in a concentration of 150mM. How many grams per liter is this?
Nitrogen dioxide decomposes at 6.50 x 10-3 M s-1 during the reaction: 2NO2(g) --> 2NO(g) + O2(g) Answer the following questions:
Determine the volume of 0.890 M NaOH needed to reach the equivalence point in the titration
The resulting equilibrium solution has a pH of 10.21. What is the Ksp of the salt at 22 °C?
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