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How many milliliters of 1.00 M KOH should be added to 100mL of solution containing 10.0 g of histidine hydrochloride (FM 191.62) to get a pH of 9.30?
Neglecting any effects caused by volume changes, would you expect the ionic strength to (1) increase, (2) decrease, or (3) remain essentially unchanged by the addition of iron(III) chloride to
What product or products would you expect to obtain by the addition of bromine to cis-cinnamic acid, assuming that it reacts by the same mechanism as the trans acid
a typical deposit of cholesterol c27h46o in an artery has a mass of 3.90 mg. how many molecules of cholesterol are
A gaseous mixture of NO2 and N2O4 is in equilibrium. If the concentration of N2)4 is 5.3 x 10^-5 M, what is the concentration of NO2? 2 NO2 (g) ==> N2O4 (g) Kc = 170
Why is it more difficult to identify all of the components of a mixture than it is to identify the cation and anion that make up a simple salt
Determine the standard reaction enthalpy for the partial combustion of methane to carbon monoxide.
7.50 mL of 0.125 M HCl is added to the 100.0 mL of the buffer solution. Calculate the new [NH3] and [NH4Cl] for the buffer solution. Calculate the new pH of the solution.
vessel above eqm is established and at eqm, partial pressure of SO3 and SO2 are same, calculate no. of moles of O2 present at eqm
Calculate the equilibrium constant Kp for the reaction and the temperature above which the reaction favors the formation of CO and H20
Which of the following would be expected to have the lowest vapor pressure at room temp. a-Ethanol, bp= 78C b- methanol, bp= 65c c- water, bp = 100C d- acetone, bp= 56C
How would you compare the molar enthalpies of neutralization for a monoprotic acid, a diprotic acid, and a triprotic acid? Write the balanced chemical equations and include molar enthalpy values of each chemical reaction to support your conclusion..
Classify each of the following as a binary ionic compound, ternary ionic compound, binary molecular compound, or ternary oxyacid. 1.) Hydrazine, N2H4 2.) Nitrous Acid, HN02(aq) 3.) Cobalt(II) Nitride, Co3N2 4.) Sodium Nitride, NaNO2
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