Determine the numbers of grams will precipitate
Determine the numbers of grams of Cu(OH)2 will precipitate when the excess KOH solution is added to the 77.0 mL of 0.620 M Cu(NO3)2 solution?
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Determine the numbers of sig figs should be used when reporting its density if the mass of the bar is 104.7g?
A sample which is having 4.50-g of LiCl at 25.0 C dissolves in the 25.0 mL of water also at 25.0 C. Explain the enthalpy of solution of LiCl expressed in kilojoules per mole when the final equilibrium temperature of the resulting solution is the 6
How much Al2(SO4)3 is produced when 0.312g of Al(OH)3 (s) is reacted with the 50.0ml of 0.100MH2SO4. Discuss in detail by using the examples.
100 mL of 0.100 M Fe2+ was titrated with the 0.100 MCe4+ in 1.00 M HClO4 . Formal potentials for Ce4+/Ce3+ and Fe3+/Fe2+ are equal to standard potentials, and are 1.61 V and 0.771 V. How can describe the potential at the equivalen
Sam Ying, a career counselor, claims the average number of years of schooling for an engineer is 15.8 years. A sample of 16 engineers had a mean of 15 years and a standard deviation of 1.5 years. The test value would be -2.68. True or False? And w
Calculate the molecular mass of a gas that diffuses through a porous membrane which is having 1.859 times faster than the Xe? What might the gas be?
Assume c is directly proportional to square of d. If c=45 when d=3, determine constant of proportionality and write formula to determine c when d=5.
CH3OH is used as an alternate fuel. It is burned with the 200 percent of theoretical air. Discuss how much water is condensed per kilogram per fuel when the products of combustion are cooled to 100 kPa and 30oC.
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