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How many grams of magnesium may be formed by the passage of 76.0 amps for 8.03 hours through an electrolytic cell that contains a molten magnesium salt.
What is the pH of a solution that is prepared by dissolving 9.81 grams of acetic acid (60.05 g/mol) and 8.68 grams of sodium acetate (82.03 g/mol) in water and diluting to 800 mL.
Describe the various strategies for the excretion of nitrogenous wastes employed in higher animals (chordates), both human and non-human.
each successive hydrogen is more easily substituted until the trihalo species is obtained. Explain
the rate constant is 0.0190 s-1. At what temperature in degrees Celsius would this reaction go twice as fast?
The chemical nature of an element is independent of A. its atomic number. B. the number of protons or electrons present in it. C. the number of neutrons present in it. D. none of these.
For an oxidation and reduction reaction, indicate what is oxidized and what is reduced in the following reaction.
what would be the effect on your calculated mass percent recovery of Cu if you used all of your NaOH solution in Part II and the litmus paper never turned blue
You are given trhat 0.01 m aqueous solutions of each of the given solution as, C6H12O6, K3PO4, CaCl2 , NaI you jutst need to place the given solutions in order of increasing change in the freezing point of the solution.
The relative molar mass of an element is known to be 32.064 g. Determine the abundance fraction of the isotope whose fraction is not displayed in the table.
the concentrations in this system were found to be [N2]=[O2]=0.100 M and [NO]=0.500 M. N2(g)+O2(g)2NO(g) If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is re-established?
b) Determine the hybrid state of each C. c) Draw the molecule geometrically correctly showing its ?- and ?-bonds and the atomic orbitals used to form each bond.
shown to contain 12.518 g silver, 0.6970 g carbon, and 2.786 g oxygen. What is the empirical formula of the sample?
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