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A 0.9157g mixtureof CaBr2 and NaBr is dissolved in water and AgNO3 is added to the solution to form AgBr Precipitate. If the mass of the precipitate is 1.6930g, what is the percent by mass of NaBr in the original mixture?
Calculate the final temperature of the mixture, assuming no heat is lost. The heat capacities of Hg and H2O are 27.98 and 75.33 J/mol/K, respectively.
The enthalpy of formation of ethanol, C2H5OH, is 277.o kJ/mol at 298.15K. Calculate the enthalpy of combustion of one mole of ethanol, assuming that the products are CO2 and H2O.
For an enzyme that follows simple Michaelis-Menten Kinetecs, what is the value of Vmax if Vo is equal to 1mmnol -1 minute when [s] = 1/10Km?
After the resulting reaction was complete, back titration required 10.40 mL of 0.1212 M NaOH. Assuming that the tablet contained only calcium carbonate and an inert binder calculate the mass of calcium carbonate and mass percent of calcium carbona..
What functional groups can you identify within the coumpounds; dioxin, Furan, Hexachlorobenzene, what structural features
For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and ?H. a) the gas is expanded isothermally and reversibly until the volume doubles
A titration required 16.86 mL of 0.1672 M of NaOH - how many moles are in the volume
Imagine that you have a 5.50 gas tank and a 4.00 gas tank. You need to fill one tank with oxygen and the other with acetylene to use in conjunction with your welding torch.
the absorbance of the solution was found to be .5528. Based on the calibration curve of Y=26.1x + .081 (where absorbance is on y axis and concentration of product C is on the x axis) determine the equilibrium concentration of C, then using an ICE ..
Calculate the density in grams per liter of the following gases at 29.7 degrees Celsius and 700 torr: NH3, N2, N2O
what is the mass in grams of 17.55ml of acetone? and what is the volume in milliter of 7.26g of acetone?
Draw all possible mesomeric structures of the carbocationic intermediate in the chlorination of benzoic acid. Explain why the main product is m-chlorobenzoic acid.
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