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What is the concentration of Cu2+ in the other half-cell? (Assume the concentration in the unknown cell to be the lower of the two concentrations.)
Explain the each and every step in detail for help
Which is predicted to be the most ionic substance?
The concentration of NaCl in solution is 0.25 M. What volume of solution contains 5.0 g NaCl. A. 1.4 L B. 73 mL C. 340 mL D. 2.9 L
a. an adiabatic turbine expands steam from 500 degree celsius and 3.5 mpa to 200 degree celsius and 0.3 mpa. if the
PET studies require fluorine-18, which is produced in a cyclotron and decays with a half-life of 1.83 hours. Assuming that the F-18 can be transported at 60.0 miles/hour, how close must the hospital be to the cyclotron if 65% of the F-18 produced ..
Consider a sample of excited atoms that lie 3.483*10^-19 J above the ground state. Determine the emission wavelength of these atoms.
Problem- The flask shown here contains 0.761 g of acid and a few drops of phenolphthalein indicator dissolved in water. The buret contains 0.160 M NaOH. 1) What volume of base is needed to reach the end point of the titration
analysis of a sample of a covalent compound showed that it contained 14.4 hydrogen and 85.6 carbon by mass. what is the
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the pH, and the concentrations of all species
A mixture of 1 atm chlorine gas and 1 atm oxygen gas and no product undergoes this reaction. Cl2 + 2 O2 ---> 2 ClO2 What equation would be used to solve for the equilibrium concentrations
A sample of NH3 gas that takes place a volume of 23.0 L at 10.0oC is heated at constant pressure until it fills a container with a volume of 50.0 L. What is the final temperature in oC for this gas
For the list of chemicals below, write complete, balanced equations for all possible reactions that would lead to an insoluble salt.
a) Explain the octet rule. b) Briefly describe two situations which are exceptions to the octet rule; include relevant chemical formulas to support your descriptions.
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