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Forbelt Corporation has a one-year contract to supply motors for all refrigerators produced by the IAC.
A summation equation showing both H+ and OH - in the equilibrium reaction between CrO42- and Cr2O72- ions.
Absolute minimum and maximum Absolute minimum and maximum
Determine the optimal amounts of three ingredients to include in an animal feed mix. The final product must satisfy several nutrient requirements.
Show all work, define all terms, and label all answers. Please do not simply writing down an answer without an explanation.
Linear Programming: Optimization.A furniture manufacturer makes chairs and sofas. Each chair can be sold for a profit of £15
637 atoms of a particular isotope weigh 2.2483 x 10^-19 grams. What is the atomic mass of the isotope?
Calculate the pH at 0, 10.0, 25.0, and 30.0 mL of titrant in the titration of 50.0 mL of 0.100 M NaoH with 0.200 M HCl.
Shortest Path and Maximal Flow Problem.Shortest Path and Maximal Flow Problem (30%): You are given the following directed network.
Quitmeyer Electronics Incorporated manufactures the following six microcomputer peripheral devices: internal modems, external modems
An aircraft repair facility currently has four jobs awaiting work. Four teams of mechanics are available. Each team can work on only one of the jobs.
A sample of SO2 gas which weighs 1.50 grams has a volume of 1.40 liters when collected at 45oC. What would be the pressure of the gas sample?
The Standard free energy change for the following reaction is -33.2 kJ/mol and the equilibrium constant Kp=6.59x105 at 25 C.
You and a lab parnter prepare buffers to use in an experiment. Your partner prepares 200 ml 50 mM MES pH 6.0 while you prepare 200 ml of 50 mM.
Sodium (Na), atomic number 11, has a tendency to lose an electron in the presence of chlorine.
Glauber's salt, sodium sulfate decahydrate (Na2SO4 * 10H2O) undergoes a phase transition (that is melting or freezing) at a convenient temp
You add 5 drops of .100 M HCl to 100ml of "pure" water. Assuming that the volume of one drop is .035ml, calculate the expected pH of the resulting solution.
At a certain temperature and pressure 4.2 L of N2 reacts with 6.3 L of O2. If all the N2 and O2 are consumed, what volume of N2O3.
In earlier times, ethyl ether was commonly used as an anesthetic. It is, however, highly flammable.
Classify the salt NaF as acidic, basic, or neutral? Write a net ionic equation to explain your answer.
If you add Na2CO3 with NaHCO3 and distilled water what is the equilibrium expression for the buffer?
Suggest the pressure and temperature at which 1.0 mol of (a) Nh3, (b) Xe, (c) He will be in states that correspond to 1.0 mol of H2 at 1.0 atm.
Determine the effect on the freezing point and boiling point of the solvent for both solutions described in question number three above.
What is the pressure in atmospheres of 201 grams of O2 gas in a 12.0 liter vessel at 25.0OC?
Explain qualitatively how the following would change the calculated surface concentration of SO2 assuming a gaussian plume from a smoke stack.