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Consider the Reaction: H2O2(aq) + 3I- (aq) +2H+ ----------> I3- (aq) + 2H2O (l)
1. Over the First 5.0 seconds, the [I-] fell from ) 0.955 M to 0.705 M. What is the average rate of reaction over the 5.0 seconds?
2. Determine the predicted rate of change of [H+] in this 5.0 s of reaction?
Consider the proposed mechanism for a reaction below. What is the rate law for the overall reaction?
What are the advantages and disadvantages of writing a chemical equation with chemical symbols and formulas instead of just words?
What was the calorimeter's heat absorption for the reaction between HCl and NH3? To calculate the calorimeter's heat absorption you must multiply the calorimeter constant (Ccal) by the Delta T from the reaction: Qcal = Ccal * Delta T Choose the cl..
One of the steps in the commercial process for converting ammonia to nitric acid is the conversion of NH3 toNO: 4NH3(g)+5O2(g) 4NO(g)+6H2O(g)
you have a bleach solution of 1904.3 grams. determine how many grams of naocl are in the solution if the percent by
41.89 mL of NaOH were required to completely titrate 25.00 mL of a weak monoprotic acid. After 11.90 mL of sodium hydroxide had been added to the solution, the pH of the solution was 6.81. Calculate K_a_ and pK_a_ for this weak acid.
What is the equilibrium constant expression for the following reaction? 2BrF5-----> Br2 + 5F2
Why does the ionisation of two or more electrons from an atom of a transition element take place with the removal of s electrons in preference to the d electrons?
a weather balloon at earths surface has a volume of 3.9 l at 275 k and 775 mm hg. if the balloon is released volume
A 280- mL flask contains pure helium at a pressure of 757 torr. A second flask with a volume of 465 mL contains pure argon at a pressure of 715 torr.
At a given temperature the vapor pressures of benzene and toluene are 183 mm Hg and 59.2 mm Hg, respectively. calculate the mole fraction of benzene in the vapor pressure over a solution of benzene and toluene with xbenzene =0.600
If a protein is hydrolyzed and yields merely amino acids as the products. The protein is appropriately classified as
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