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A typical global concentration of hydroxyl (OH) radicals is about 10^6 molecules cm^-3. What is the mixing ratio corresponding to this concentration at sea level and 298K?
If we could take IR spectra on decanedioyl chloride and the product that you made, which of these two molecules would you expect to show higher C=O stretching frequency. Why
At 518°C, the rate of decomposition of a sample of gaseous acetaldehyde, initially at a pressure of 363 Torr, was 1.07 Torr s-1 when 5.0% had reacted and 0.76 Torr s-1 when 20.0% had reacted. If the reaction rate is proportional to [A]n , determin..
The normal range for the carbonyl group of a carboxylic acid in the IR spectrum is 1725 - 1700 cm-1. Why is the carbonyl group of benzoic acid appear at 1696 cm-1
consider the following reaction representing the combustion of propanec3h8 o2 -gtco2 h2oa. balance the equationb. how
Compute the weight of KClO3 that would be necessary to produce 39.52 liters of oxygen measured at 227C and 720. torr. 2KClO3(s)--->(heat)---> 2KCl(s) + 3O2(g)
A 250.0 gram metal bar requires 5.866kJ to change its temperature from 22.0C to 100.0C. What is the specific heat of the metal
The water level inside the tube was 10 cm higher than the water level outside the tube. He ignored the difference and proceeded with his calculations.
The expression for the reversible work is wtwist= CL/2 (\phi /L)2. A DNA oligomer, 20 base pairs in length, undergoes a twisting deformation of 36 degrees in order to bind to a protein. Calculate the reversible work involved in this twisting defor..
For a given reaction the following half-life and initial concentration data was collected. Use this data to determine the reaction's order and rate constant.
A diprotic acid, H2A, has the following ionization constants: Ka1 = 1.1 multiplied by 10-3 and Ka2 = 2.5 multiplied by 10-6. In order to make up a buffer solution of pH 5.80, which combination would you choose, NaHA/H2A or Na2A/NaHA? What is the p..
The temperature changes from 25 degrees C to 29 degrees C. What is the enthalpy (ΔH) of the reaction? (use 4.184 J/g degrees C as the specific heat of water)
What is the mass of a magnesium block that measures 2.3 cm * 3.5 cm * 1.5 cm? The density of magnesium is 1.738 g/cm^3
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