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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.
the following reaction takes place in a sealed 40 l container at a temperature of 120 degrees celsius. 4nh3g 5o2g 4nog
calculate the number of grams of iron and the number of grams of carbon dioxide formed
If a temperature scale were based on the freezing point (5.5 degrees celsius) and boiling point (80.1 degrees celsius) of benzene and the temperature difference between these points was divided into 50 units (called degrees X), what would be the f..
an ideal gas is expand at a constant temperature with the pressure changing from 10 bar to 1 bar. assume Cp,m = 5/2R calculate delta U, delta H, delta S
If you were transferring 0.2 mL of stock solution to another vial in order to begin performing a 1:5 serial dilution, what volume of DI water must be added to complete the dilution?
Calculate the molar concentration of OH- ions in a 0.540 M solution of hypobromite ion (BrO^ -\K_b = 4.0* 10^- 6.)
Various types of medicines use in daily life? and classify them into analgesics, antipyretics, antibiotics, sedatives, antiseptics.
What is the osmotic pressure developed at 17 oC by an aqueous solution that is 0.111 M in AlCl3
How much heat is required to raise the temperature of 73.5 of water from its melting point to its boiling point?
The final volume of the system is 58.0 L. What was the initial volume of the system if the internal energy of the system decreased by 102.5 J?
How many grams of sodium formate, NaCO2H are needed to prepare 100 ml of a formic acid, sodium formate buffer
What is the dipole moment of HI in C.M 2. The distance between the atoms of H-I is 1.61A . What is the distance in meters. 3. What is the charge associated with each side of the HI molecule 4.What is the percent ionic character of the H-I bond
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