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Use Table 6.3 or Appendix B to write balanced formation equations at standard conditions for each of the following compounds. (Type your answer using the format O3 for O3. Write all coefficients, even if they are fractions or 1.) (a) (Apply fractions as needed.)
A buffer solution is made by dissolving 0.45 moles of a weak acid (HA) and 0.33 moles of KOH into 800 mL of solution. What is the pH of this buffer? Ka = 5.9 × 10-6 for HA.
A first order reaction has an Arrhenius constant for the reaction is 9.4 x 1010 sec ^-1, and an activation energy of 64.4 kJ. At what temperature (in Celsius) is the rate constant equal to 0.472 sec^-1
arrange the folloeing eluents in the increasing order of their euting power; place the least powerful eluent first; dichloromethane, pentane,water, and methonol.
predict the ratio of the two masses of oxygen that combine with a fixed mass of lead to form PbO and PbO2? PbO:PbO2 oxygen mass ratio= ?/?
At the end of 2009, global population was about 6.8 billion people. What mass of glucose in kg would be needed to provide 1200 Cal/person/day of nourishment to the global population for one year
what major obstacles personal professional or acdemic will you need to overcome in order to be sucessful in school.
A chemical process is used to convet toulene (MW=92) and hydrogen to benzene (MW=78) and methane (CH4) by the reaction : Toulene+H2->Benzene+CH4
The fathom was originally defined as the length of man's outsterched. it is now defined as 6.00 ft. calculate a resoanble estimate of the surface are of an adult humman' body in fathom.
Use your complete rate law for the dye bleaching reaction to estimate the reaction rate at 25 degrees celcius, if the concentrations of bleach and due are both .10 M.
Calculate the mass defect and nuclear binding energy per nucleon of the each of the nuclides indicated below. A)Ti -48 (atomic mass = 47.947947 amu) mass defect = ______amu and Binding energy nucleon = ______MeV/nucleon
Aluminum will act as the stronger reducing agent and iron will act as the stronger oxidant. In the spontaneous reaction, the oxidation number of iron will increase.
Find the confidence limit (95% confidence level), true value (from literature), absolute error, and relative error).
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