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Iron(III) oxide reacts with carbon monoxide. A reaction mixture initially contains 22.65g of Fe^2 O^3 and 15.46g of CO. Once the reaction has completely occured, what mass in grams of the excess reactant is left?
The acid forms two ions, HC2O4- and C2O42-, by the sequential loss of H+ ins. Draw lewis structures for the three species and comment on the relative lengths and strengths of their carbon-oxygen bonds.
One mole of NOCl gas is added to a 4.0L container. the NOCl undergoes slight decomposition to form NO gas and Cl2 gas. If the equilibrium constant, Kc, for the rxn 2NOCl(g)--->2NO(g)+Cl2(g) is 2.0x10^-10 @ 25 degrees celsius, calculate the concent..
The solubility of which one of the following compounds will increase if the pH of a saturated solution of the compound is lowered
What is the concentration of the vinegar in weight percent? (Assume a density of 1.030 g/mL.) If the pH of the vinegar was 3.44, what value is obtained for the Ka of acetic acid?
A mole of sodium hydroxide has a mass of 40 g. In order to prepare a .1M solution, how many grams of sodium hydroxide must be added to 500 mL of water
a sample of argon gas is at a pressure of 1.24x10^4 kpa and a temperature of 24c in a rigid 25-L tank. How many moles of argon does this tank contain?
What osmotic pressure would develop across the membrane if the temperature is 26.0 degrees Celcius?
When Aqueous solutions of Pb(NO3)2 and Na2SO4 are mixed, a precipitate of PbSO4 is formed. Calculate the mass of PbSO4 formed when 655 mL of 0.150 M Pb(NO3)2 and 525 mL of 0.0751 M Na2SO4 are mixed.
We are asked to write the balanced equation when glucose is reacted with ammonium chloride + epichlorohydrin + isopropyl alcohol. What is the ultimate end product? Hopefully it is supposed to be some form of a quaternary ammonium radical attached to ..
Crystallization of sodium acetate from a supersaturated solution occurs spontaneously at constant temperature and pressure. What can you deduce about the signs of ?S and ?H for this process?
translate the following word equations into balanced chemical equations and explain how the equations represent what
Titanium occurs in the magnetic mineral ilmenite (FeTiO3), which is often found mixed up with sand. The ilmenite can be separated from the sand with magnets
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