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Which of the following is the balanced net ionic equation for the reaction between zinc (II) bromide and silver (I) nitrate? a. ZnBr2(aq) + AgNO3(aq) ? Zn(NO3)2(aq) + AgBr(s) b. ZnBr2(aq) + 2AgNO3(aq) ? Zn(NO3)2(aq) + 2AgBr(s) c. Zn2+(aq) + Br-(aq) + Ag+(aq) + NO3- (aq) ? Zn2+(aq) +NO3- (aq) + Ag+(aq) + Br-(aq) d. Zn2+(aq) + 2Br-(aq) + 2Ag+(aq) + 2NO3- (aq) ? Zn2+(aq) + 2NO3- (aq) + 2AgBr(s) e. Br-(aq) + Ag+(aq) ? AgBr(s)
A commercial plant is to treat 320 m3/hr of feed consisting of 50 % A, 50% inerts at 25 atm and 350ºC to obtain eighty percent conversion. Determine how many 2-m lengths of 2.5 cm ID pipe are required?
A stream of humid air containing 1.00 mole % H2O(v) and the balance dry air is to be humidified to a water content of 10.0 mole % H2O. For this purpose
50.0 mL of an HCl solution with a pH of 3.5 neutralizes 200.0 mL of a Ca(OH)2 solution.What is the molarity of the Ca(OH)2 solution?
A 4.82-L sample of carbon monoxide is collected at 55°C and 0.833 atm. What volume will the gas occupy at 1.05 atm and 25°C?
a cylinder of He gas has a volume of 25.0L at 22 degrees C and 5.6atm. How many moles of He are in such a cylinder?
A 15.6 mL sample of vinegar, containing acetic acid, HC2H3O2, was titrated using 0.6216 M NaOH solution. The titration required 19.80 mL of the base. Assuming the density of the vinegar to be 1.0 g/mL, what was the percent (by mass) of acetic acid..
When calculating the density of your regularly shaped object, which measurement will limit your final result?
A mixture of SO2, O2, and SO3 at 1000 K contains the gases at the following concentrations: [SO2] 5.0 x10-3 M [O2] 1.9 x10-3 M [SO3] 6.9 x 10-3 M Is the reaction at equilibrium
students are advised to dispose of the 95% ethanol mother liquor from the recrystallization step n the nitration of bromobenzene in a waste bottle for halogented wastes while the same solvent used for the recrystallization
When potassium carbonate is added to the remaining solution, a precipitate occurs. Which ions were present in the original solution? Write net ionic equations for the formation of each of the precipitates observed.
what does find the saturation have to do with consitutuional,stereoisomers, and conformational isomers?
What percentage of the Ca2 (aq) can be separated from the Ag (aq) by selective precipitation? hint: Ksp for Ag2SO4 is 1.20×10^-5 Ksp for CaSO4 is 4.93×10-5
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