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Write the balanced redox reaction for the formation of copper (I) oxide from molecular oxygen and solid copper.
a) balanced molecular reaction
b) how many grams of oxygen would you need to react with 5.00g of Cu(s)?
c) If you start with 5.00g Cu(s) what would the theoretical yield of copper (I) oxide?
d) If the reaction isn't very efficient and only has a 26% yield, how many grams of copper(I) oxide would actually be produced?
A 0.050 M H2S solution contains 0.19 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS
calamine lotion contains a mixture of both zinc and iron oxides. a 1.022 g sample of dried calamine was dissolved in
The enthalpy change for converting 10.0 g of ice at -25.0°C to water at 80.0°C is __________ kJ. The specific heats of ice, water, and steam are and respectively. For H2O, Hfus = 6.01 kJ/mol, and
its freezing point depression constant is 8.37*C per molal. Use your corrected average temperature (5.0*C) to find the molality of the water in the alcohol. Find the percent water in the alcohol.
Calculate the moles and the mass of solute in 250.0 mL of 6.00 M NaOH.
What is the mass (in g) of a cube of aluminum (density = 2.702 g/mL) with an edge length of 0.27 feet
Calculate the number of molecules of the compound and the number of atoms of each of the elements in 6.03 moles of P4O10.
Draw the crossed aldol condensation product formed between benzaldehyde and acetone
Choose the answer in which the two atoms are listed in order of increasing ionization energy (smallest ionization energy listed first).
write the full chemical equation upon the addition of NaOH to each of the 3 alanine species mentioned. If there's no reaction, indicate there's no reaction and why.
What is the maximum kinetic energy of a photoelectron ejected from cesium by 555 nm light? Note that if the wavelength of the light used to irradiate the cesium surface becomes longer than 660 nm, no photoelectrons are emitted.
Choose the metal that is produced by electrolysis of its molten chloride salt. a) Li b) K c) Al d) Ca e) All of the above
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