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Calcium nitrate will react with ammonium chloride at slightly elevated temperature: Ca(NO3)2 (s) + 2 NH4Cl (s) ---> 2 N2O (g) + CaCl2 (s) + 4 H2O (g) A 1.00 mol sample of each reactant will give what volume of dinitrogen monoxide at STP? Select one: a. 11.2 L b. 15.2 L c. 22.4 L d. 44.8 L e. 33.6 L
A volume of 40.0 of aqueous potassium hydroxide () was titrated against a standard solution of sulfuric acid (). What was the molarity of the solution if 19.2 of 1.50 was needed? The equation is 2KOH(aq)+H2SO4(aq)=K2SO4(aq0+2H2O(l)
Calculating the molecular formula of an organic compound. Worked example, using fundamental formula and balanced equations.
If a solution contains 0.01M Ca^2+, 0.01 M Zn^2+, and 0.01 M Ni^2+ ions and you want to separate them using aqueous (NH4)2C2O2, which ion will precipitate first as an ozalate, CaC2O4, ZnC2O4, or NiC2O4
Predict if the following conditions would result in the formation of a preecipitate: a. 0.0025 M Fe3+ at pH 6.00 b. 0.0025 M Ba2+ and a 1.25x10-4 M solution of sodium sulfate c
a chemical engineering company forgot to coat the inside of a magnesium tank designed to hold hydrochloric acid. what would happen if this is a closed tank and how would you go about fixing the problem
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable first approximation.)
A tank having a volume of 1000 ft3 contains 22 lb of CO2, 46 lb of O2 and 154 lb of N2. What pressure will be indicated by a pressure gage attached to the tank if the gas is at ambient temperature (80°F)
Calculate the % yield of Al2(SO4) from the reaction: 2Al(OH)3(s) + 3H2SO4(aq) -> Al2(SO4)3(s) + 6H2O(l) given that 205 g of Al(OH)3 react with 751 g of H2SO4 to yield 252 g Al2(SO4)3.
suppose that a sample of gas occupies 73 ml of volume at 25c and a pressure of 266 torr. what would be the volume if
The compound produced when 1-hexene is reacted with sulfuric acid and water as the solvent is 2-hexanol. what kind of reaction would this be considered? a) 1,4 addition b)proceeds via a carbanion
A saturated solution of magnesium fluoride , , was prepared by dissolving solid in water. The concentration of ion in the solution was found to be 1.18×10?3
The Milikan experiment is important because it determined the of an . Using Thomson's and Milikan's the of an was determined. Rutherford's experiment is important because it clearly demonstrated that the is mostly
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