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A voltaic cell consists of an Ni/Ni2+ half-cell and a Co/Co2+ half-cell. Calculate Ecell when conc. of Ni2+ = 0.068 M and of Co2+ = 0.424 M.
The reduction potential for Ni2+ is -0.247 V and for Co2+ is -0.277 V.
What is the boiling point water at the top of mt. Everest? (atmospheric pressure = .54 atm)
What is the molecular weight and structure? Also what does this compounds infrared spectrum and NMR spectrum show?
Write out complete mechanisms including the transition states for the E2 reaction of hydroxide ion and 2- bromobutane, forming 1-butene and 2-butene.
The temperature of the mixture is 0 \rm ^{\circ}C , and the total pressure is 1.00 \rm atm . How many grams of helium are present in the gas mixture?
You can assume that air contains pure oxygen and that heat capacities are independent of temperature. C3H8 (g) + 5O2 --> 3CO2 + 4H2O Note: Vaporization of propane takes place at -30 oC.
Nicotine has an empirical formula of C5H7N and a molecular mass of 162.23. What is the molecular formula for nicotine?
Consider the following reaction. N2(g) + 3H2(g) > 2NH3(g) The initial pressures of the H2 IS 3 atm and the pressure of the N2 IS 2 atm. Which statement is true? N2 is a limiting reagent H2 is a limiting reagent Neither gas is a limiting reagent
1. Draw the diels alder product for the reaction between 3-methyl-2,4-hexadiene and maleic anhydride 2. Draw the 1,2 and 1,2 and 1,4 addition products for the reaction between 3-methyl-2,4 hexadiene and HBr
Acetic Acid has a pKa of 4.76. Starting with a 1.0M solution of sodium acetate, and a 1.0M solution of acetic acid, what volume of each is required to make 1.0 liter of a 1.0 M solution buffered at pH 5.1
Nitric acid is gernerated by the action of sulfuric acid on sodium nitrate. Nitrous acid is prepared by the action of hydrochloric acid on sodium nitrite. Why is nitrous acid prepared in situ rather than obtained from the reagent self.
A student found that her mixture was 15% NH4Cl and 75% SiO2 .Assuming her calculation are correct, what did she most likely do incorrect in her experiment?
how many grams of gold would plate on the metal used for the medallion? Explain what you are thinking as you show your calculations.
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