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A sample of commercial hydrogen peroxide solution was analyzed using the procedure in this experiment. the results from three determinations were 3.03% ,2.89% and 3.22%Calculate :
1) the average relative deviation from the mean in percent.
2) the standard deviation of the percent hydrogen peroxide.
What is the name of the compound when you say Sodium Bromide plus Sodium Sulfide. Also, please write the formulas for each.
Decomp. of SO2Cl2 is first order and has a rate constant of 1.42x10^-4 S^-1. What is the half-life for the reaction. How long will it take to decomp 27.3% of its initial cocentration
What is the value of the rate constant (k) for this reaction? Points will be deducted if you do not include the correct sign and units of the rate constant. (b) Determine the half-life for this reaction in units of seconds
What is the ratio of the conjugate base concentration to the acid concentration, that is, [B-]/[HB] when the indicator switches to the acidic color?
A colored substance Z has an absorption maximum at 350 nm. A solution containing 2 mg of Z per liter had an absorbance of 0.850 using a 1 cm cell. The formula weight of Z is 148.
Using Standard Free Energies of Formation at 25 degrees C, determine if the production of phosgene gas COCl2 from the combination of carbon monoxide gas (CO) and chlorine gas (Cl2) is spontaneous at room temperature.
determine what is the observed rate for the given reaction 2 o3g -rarr 3 o2g has an empirically determined rate law
The reaction 2NO (g)-> N2 (g) + O2 (g) has a H = 180.5 kJ. How much heat will be required to produce 44.8 L of NO by the reverse reaction?
An oligomeric protein has a molecular weight of 168000. A 420 mg sample was treated with an excess of 1-fluoro-2,4-dinitrobenzene (Sanger\'s reagent) until the reaction was complete
what measuring device would you use to measure the volume under each of the conditions described below? in some cases
In the catalytic converter of an automobile exhaust system, some SO2 is converted to SO3 by the reactionSO2(g) + ½ O2(g) ? SO3(g)
If the total mass of the mixture is 452.2 g, what masses of CaCl2 and water should be used?
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