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Write the balanced molecular, total ionic and net equations and names of the ionic compounds expected from the double replacement reaction of potassium phosphate and molybdenum(VI) chloride.
A particular sample of red brass consisting of 81.0% Cu and 19.0% Zn by mass has a density of 8780 kg/m^3. What is the molality of Zn in the solid solution?
Explain how you can minimize propagated errors. When pooling data from multiple sets, explain whether this measure is dependent upon the individual sample means.
A 6.50-g sample of copper metal at 25.0 C is heated by the addition of 84.0 J of energy. The final temperature of the copper is ____ C.The specific heat capacity of the copper is 0.38J/g-K.
The energy for the process (H)+(energy) yields (H+)-(e-) is called the ionization energy of hydrogen. The experimentally determined value for the ionization energy of hydrogen is 1310 kJ/mol. How does this compare to your calculation
What quantity of energy as heat is required to vaporize a 60 mL of mercury at 357 C, its normal boiling point? The density of mercury is 13.6 g/mL and Atomic Mass is 200.59 g/mol.
what is the molar mass of the protein? A solution of 7.50 mg of a small protein in 5.00 ml of aqueous solution has an osmotic pressure of 6.80 torr at 23.1 degrees celcius.
chromatogram for the presence of compounds other than isopentyl acetate. Explain the presence of any additional compounds
What can you say about the realtive magnitudes of the latice energy of lithium iodide and its heat of hydration?
compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen
In the preparation of the esters given in this experiment, the reaction product was extracted with 5% sodium bicarbonate solution in the isolation step. Why? What gas was evolved during this washing step? Write a balanced equation for the reaction..
In an earlier problem we described the reaction of ammonia with oxygen to form nitrogen monoxide, NO.4NH3 + 5O2 ? 4NO + 6H2O
Describe how you would seperate a mixture containing acid and benzophenone (a neutral substance). Both compounds are insoluble in water and soluble in diethly ether.
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