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Z forms an ionZ3 + when 3! Protons. What is the identity of Z. Write the chemical symbol for it.
If the CO2 is not removed by boiling after the addition of HCL, how will this affect the amount of NaoH required to reach the bromophenol endpoint. Explain.
A 0.8800 g sample of a carbocyli acid is burned in oxygen, producing 1.569 g of CO2 as well as 0.6459 g of H2O. Find out the empirical formula of arboxylic acid
calculate the pH a solution that contains 0.800% C5H5N by mass and 0.815% C5H5NHCl by mass
The pH of a 0.500 solution of an aqueous weak acid (HA) is 2.30. Calculate the Ka for the weak acid.
Explain how this would affect air quality. Would our air quality problems be solved? Explain why or why not. Make sure to consider all types of smog.
The standard cell potential (E°cell) for the reaction below is +1.10 V. The cell potential for this reaction is __________ V when the concentration of [Cu2+] = 1.0 × 10-5 M and [Zn2+] = 3.5 M. Zn (s) + Cu2+ (aq) ?? Cu (s) + Zn2+ (aq)
A general statement concerning the solubility of organic compounds is: The smaller molecules dissolve best in a solvent with a low molecular weight.
For the cell reaction, Cu^2+(aq) + Zn(s) (arrow) Cu(s) + Zn^2+(aq), E^* cell = 1.10V. Use the Nernst equation to determine E cell when the molar concentrations of Zn^2 and Cu^2+ are 1.0 M and 1.0 x10^-7 M, respectively.
Uranium-238 decays very slowly, with a half-life of 4.47 billion years. What percentage of a sample of Uranium-238 would remain after 13.4 billion years.
Calculate the wavelength in picometer of gamma ray radiation whose frequency is 9.74 × 1019 Hz. Express answer in scientific notation.
Protein Quantification How did you determine whether your spectrophotometer was accurate(see hint above) and if it was not,what is the error?
Calculate delta A of reaction and delta G of reaction for the reaction C6H6 (l) + 15/2 O2 (g) --> 6CO2 (g) + 3H2O (l) at 298 K from the combustion enthalpy of benzene and the entropies of the reactants and products.
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