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Two types of electrochemical cells which are based on thermodynamic principles can be described. Which of the following statements about these cells is correct?
A. The current in the external wire flows from cathode to anode in both cells.
B. Oxidation occurs at the cathode only in the voltaic cell.
C. The free energy change, ?G, is negative for the electrolytic cell.
D. The cathode is positive in a voltaic cell but negative in an electrolytic cell.
I did three trials and my volumes for the sodium thiosulfate were 12.5 ml, 11.1 ml, and 10.2 ml. I am not sure how to get the molarity of the sodium thiosulfate secondary solution for each trial from this information.
When backpacking in the wilderness, hikers often boil water to sterilize it for drinking. Suppose that you are planning a backpacking trip and will need to boil 40 of water for your group
The elctrolysis of an aqueous sodium chloride solution using inert electrodes produces gaseous chlorine at one elctrode. At the other electrode gaseous hydrogen is produced and the solution becomes basic around the elctrode.
Write a net ionic equation for the reaction that occurs when sodium sulfite (aq) and excess nitric acid (aq) are combined. Note: Sulfites follow the same solubility trends as sulfates.
If you find that the standard Gibbs free energy change for a reaction is 3.26 kJ/molK, what is the equilibrium constant for the reaction at 25.0 oC? Be careful with your units in the calculation.
What mass of NaHCO3 (M = 84.0) is required to completely neutralize 25 mL of 0.125 M H2SO4? answer is 0.525 g please expline how
Arrange the following elements in order of increasing ionization energy, and explain how you know the order
calculate the change in internal energy for a system that is giving of 25.0 kJ of heat and is changing from 12.00 L to 6.00L in volume at 1.50 atm pressure.
What volume of 2.94 M HNO3 can be made by diluting 128 mL of concentrated nitric acid (16.0 M HNO3)
Determine the molar ratio of sodium borohydride to 9-fluorenone that you used in the experiment.
Make a rough sketch showing how the following properties of a baseball depend on time, from the moment it is hit high into left field to the time it is caught by the outfielder. You may neglect the effects of friction!
Ethane C2H6 burns in oxygen a.) what are the products of reaction b.)write the balanced equation for the reaction
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