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2Cr^+3 + 3CO3^-2 ===> Cr2(CO3)3 ( this is not ionic i hope its clear. ^+3 this is the charge )
a. Combine 15.0 mL of 0.125 M chromium (III) nitrate and 15.0 mL of 0.125 M ammonium carbonate.
b. What is the limiting reactant?
how many moles of oxygen gas will be produced by the decomposition of 111.5 g of lead(II)oxide.
Calculate the amount of energy that would be required to promote an electron from n=1 to n=100 in Li^2+
Describe how to prepare 50.0mL of 5.30 x10-2 M solution from pure drug and water.
When doing column chromatography using a silica as a solvent. got two bands when separating blue dextran...but unfortunately cannot remember the colors of those bands
A 0.5220 g sample of an unknown monoprotic acid was titrated with 9.98×10?2 M NaOH . The equivalence point of the titration occurs at 23.70 mL. Determine the molar mass of the unknown acid.
Which formula is a correct representation of pentane? What is the organic product of the reaction between ethanol and ethanoic acid? Explain why the incomplete combustion of hydrocarbons is harmful to humans.
Determine q for the acid-base reaction, assuming that the liquids have densities of 1.00 g/mL and the same heat capacities as pure water.
Cyclohexane has a freezing point of 6.50 C and a Kf of 20.0 C/m. What is the freezing point of a solution made by dissolving 0.771 g of biphenyl (C12H10) in 25.0 g of cyclohexane?
Why is sulfuric acid, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?2. A sample of 150 mg of an organic compound is dissolved in 7.5 ml of water. The solution is paced in a 20-cm polarimeter tube and the rotation meas..
How many grams of methane gas (CH4) need to be combusted to produce 18.2 L water vapor at 1.2 atm and 275 K? CH4 (g) + 2 O2 (g)-> CO2 (g) + 2 H2O (g)
Use the character table to derive which vibrational modes are IR active and which are Raman active
what would be the volume of an ideal gas at absolute zero? what happens to real gases before they reach absolute zero?
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