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Consider the experiment where Cu is added to a solution acidic nitrate ion (look for a half reaction with nitrate)
a) In the balanced equation, what is the coefficient in front of Cu?
b) In the balanced equation, what is the coefficient in front of NO31-?
c) In the balanced equation, what is the coefficient in front of H1+?
How many grams of riboflavin (molecular mass = 374.6g/mol) are required to prepare a 1.00L solution that is 5.00 x 10^-5 M
The complex ion Co(H2O)6(2+)(aq) is pink when placed in solution. Addition of chlorine ions creates an equilibrium with CoCl6(4-) in the solution, which is blue in color.
Consider all constitution isomers where nitrogen is part of a 5membered ring. What are the minor resonance forms for these structures
A weather balloon is filled to 125 L when the atmosphereic pressure is 748 mm Hg and the air temperature is 28 degrees celcius. It rises to where the atmospheric pressure is 787mm Hg and the temperature
an aqueous solution of cacl2 has a vapor pressure of 83.0mmhg at 50 c . the vapor pressure of pure water at this
Calculate the vapor pressure of this solution at 25.0 degrees C. At this temperature, the vapor pressure of pure water is 23.8 mmHg.
Explain the dissolution of the sulfides of copper, bismuth and cadmium in nitric acid. Include ionic equations. If a yellow precipitate is obtained upon addition of hydrogen sulfide to an unknown solution of Group II cations, which ions are probably..
For the decomposition of sodium bromide: NaBr = Na(s) + 1/2Br2(liquid) the change in Gibbs Free Energy (delta G) is 349 KiloJoules What is the free energy of formation of NaBr(solid)?
a saturated solution of pbio32 in pure water has a lead ion concentration of 5.0 x 10-5 molar. what is the ksp value of
Calculate the freezing point and boiling point of each of the following solutions using the observed van't Hoff factors(a) 0.064 m MgCl2
The solubility of nitrogen gas "N2" in water at 20oC and 520 mmHg is 5.0×10-4 mol/L. The Henry's law constant (in mol/L.atm) at 20oC for the solubility of nitrogen gas in water is: A) 7.3×10-4 B) 7.1×10-4 C) 6.9×10-4 D) 6.7×10-4 Show steps please.
When the following chemical equation is correctly balanced, what is the sum of the smallest set of integer coefficients
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