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Below is the 1H NMR spectrum of the following triazine structure. In the expansions of the spectrum, place the observed multiplicity in the bin above the resonance. In the full spectrum, assign the correct number label for each resonance, including the resonances at 7.26 and 1.6 ppm.
Assume that the electrode follows the Nernst equation, the temperature is at 25°C, and that the activity coefficient of X is 1.
What is the boiling point of a mixture composed of 85 g HOCH2CH2OH (ethylene glycol) and 125 g H2O? The boiling point elevation constant for H2O is 0.512 °C/m.
What are the concentrations of HSO4-, SO42-, and H+ in a 0.255 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 10-2.)
Determine types of hybridized orbital for each carbon in these compounds.
How many milliliters of an aqueous solution of 0.180 M manganese(II) bromide is needed to obtain 12.8 grams of the salt ?
what volume of ethylene glycol, a nonelectrolyte, must be added to 15.0 Liters of water to produce an antifreeze solution with a freezing point of - 30 degrees celcius? what is the boiling point of the solution?
SO2 at 1000oC S + O2 2SO2 + O2 2SO3 at 500 oC with a vanadium catalyst SO3 + H2O H2SO4 And what would be do with this sulfuric acid?
which hydroxide precipitates first as NaOh is slowly added to the solution? b) what is the molar concentration of the first cation precipitated when the other cation just starts to precipitate out of solution?
what is the rate law? b) calculate the value of the rate constant c)calculate the initial rate for an experiment when both I- and OCl- are initially present at 0.15 mol/L
calculate the volume in ml of .500 M HA , .5ooM NaA , and water required to make 250 ml of a buffer with a total concentration
The freezing point depression constant, Kf, for water is 1.86?C/m. Suppose that 5.00 g of mercury(I) nitrate was dissolved in 100.0 g of water.
The air pollutant NO is produced in automobile engines because of the high-temperature reaction below. If the initial concentrations of N2 and O2 at 1000 K are both 1 M, what are the concentrations of NO, N2, and O2 when the reaction mixture reach..
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