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WWOZ broadcasts at a frequency of 90.7 MHz. What is the wavelength (in meters) of this radiation?
The methyl benzoate and acetanilide react with HNO3, H2SO4, and glacial acetic acid. Need to know the possible products and then the one that actually forms.
the pkas of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0 respectively.a. determine the keq for the
why differential pulse polarography is the most sensitive technique among the different modern types of polarography
If you have 100 ml of pure water and add to it 100 ml of 2.0M HC2H3O2. What will be the final solution pH
Each of the following solutions is separated from a solution containing pure water with a semipermeable membrane. Assuming they all have the same temperature, rank the solutions from the highest to the lowest osmotic pressure
A solution is made from ethanol, C2H5OH, and water is 1.60 m in ethanol. How many grams of C2H5OH are contained per 230. g of water?
A particular reaction is spontaneous at 450K. The enthalpy change for the reaction is 34.5 kJ. What can you conclude about the sign and magnitude of the standard entropy change for the reaction?
If a eukaryotic cell were broken open and the subcellular organelles separated by ultracentrifugation, in which of the following would the citric acid cycles be found
97.5g sodium chloride were dissolved in distilled water in 500ml volumeristic flask. the mixture was stirred to form a
The mass spectrum of an organic compound shows the relative abundances of M to be 44.42% and M 1 to be 10.57%. Assuming the peaks are caused by 12C and 13C isotopes
Calculate the percent ionization of formic acid (HCO2H) in a solution that is 0.311 in formic acid and 0.189 M insodium formate (NaHCO2). Ka of formic acid is 1.77*10^-4
Calculate the mixing ratio (ppbv) of NO2. Assume T=20 degrees Celsius = 293 K; P = Atmospheric pressure. MW of NO2 = 44g/mol.
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