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In a 1-L beaker, 203 mL of 0.307M ammonium chromate was mixed with 137mL of 0.269M chromium(III) nitrite to produce ammonium nitrite and chromium(III) chromate. Write the balanced chemical recation occuring here. If the percent yield of the reaction was 88.0%, what mass of chromium(III) chromate was isolated?
Which alkyl halide reacted fastest with silver nitrate in ethanol: tert-butyl bromide or tert-butyl chloride. Explain how the nature of the leaving group affects the rate in the SN1 reaction.
Give three differences that might be noted between the titration curve for hydrochloric acid and a titration curve for a weak unknown acid?
write an individual balanced equation for the dissolving of each salt in solution, including phase labels B) what was the concentration in molarity if each ion in solution, Mg 2+, Na+, Cl-?
The filter is heated to 550 oC, and the filter plus residual then weighs 37.0 g. Another 10.0 L sample of the same water is evaporated, without filtering, yielding a residual mass of 40.0 g.
What is the freezing point of a solution of ethylene glycol, a nonelectrolyte, that contains 81.0 g of (CH2OH)2 dissolved in 505 g of water?
Enough of a monoprotic acid is dissolved in water to produce a 0.0170 M solution. The pH of the resulting solution is 6.34. Calculate the Ka for the acid.
A sample consisting of various gases contains 3.1×10-6 mole fraction of radon. This gas at a total pressure of 34 is shaken with water at 30 . Calculate the molar concentration of radon in the water.
the solvent travel only half way up the chromatographic paper in the spot testing chromatogram.predict the effect of this procedural change on the solution of the cation in the standard mixture
Chlorine reacts with potassium iodide. What would the color of the resulting solution be. What is the oxidation half-reaction for this step.
Consider the following equalibrium: 4NH3(g) + 3O2(g) 2N2(g) + 6H2O(g). Suppose 0.30 mol of NH3 and 0.40 mol of oxygen are added to a 5.0-l container. If x mol of water is present at equalibrium, how many moles of ammonia will remain at equalibri..
A 25.0 mL bubble is released from a diver's air tank at a pressure of 4.00 atm and a temp of 11.0 degrees C. Show how to determine the volume of the bubble when it reaches the surface where the pressure is 0.998 atm and the temp is 18.0 degrees C.
entropies of atom combination to determine if any of the following reactions have an equilibrium constant greater than 1. Find the reaction with the greatest equilibrium constant. Find the reaction with the smallest equilibrium constant.
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