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Nitrosyl chloride decomposes by the following reaction with Hº = -51.7 kJ/mole and Sº = 48.2 J/mole.K.
Write down the electron configuration beyond a noble gas core (e.g., F-: [He]2s22p6) and give multiplicity for the following elements: Cr2+, Pt, Ge-, Er3+, Fe2-, Xe2+.
Using this new approach, apply Slater's rules to calculate the binding energy of the 2s electron in iron. Does the new energy agree better with experiment.
For a given alkali metal, how does the ionic radius of the alkalide ion compare to that of the neutral alkali metal atom? Explain using physical arguments.
Heavy water and graphite are two examples of materials that are can be used in a nuclear reactor to slow down neutrons. These materials are called.
An electron emitted from the nucleus during some kinds of radioactive decay is known as.
Which nuclide is a radioisotope used in the study of organic reaction mechanisms.
Magnesium-28 decays via beta emission, which equation represents the balanced nuclear equation.
What is the molarity of the diluted solution. Find the molartity of the diluted solution.
How would you prepare 1 liter of .002M Na2S2O3 from a solution which was 0.1 M Na2S2O3.
A Polluted river sample is analyzed using standard BOD procedures .Data are obtained are listed below. Conclude the BOD5, BODU, and k values that best fit for the following data.
Assume two gases in a container have a total pressure of 1.25 atm. What is the pressure of gas B if the partial pressure of gas A is 0.80 atm.
Which of the following statements are true about the processes of melting and freezing? (Select all that apply.)
How long of a chain would I get if I made it out of 1.00 mole of sodium atoms (in metres)
How much contact time would be necessary for inactivating Gardia cysts using the following chemicals at concentrations and temperatures stated.
The chirality of an amino acid, and hence it optical activity, results from the fact that its α carbon is bonded to four different chemical groups. Of the 20 common amino acids, which is not o
Identify one structural feature of the acetanilide molecule that will be expected to contribute negatively to its solubility in water. Elucidate why.
Explain the results in which 1M NaOH was added to benzoic acid (soluble or not). Write the equation that supports the answer.
What happened when 6.0M NaOH was added to the contents of the tube in 9a above? Write the equation that supports your answer.
Compute ΔH, ΔE, q and w for each step. The specific heat at constant volume (sv) is 20.29 J/Kmol and at constant pressure (sp) is 12.47 J/Kmol. Is work being completed by the system in t
A 15 g sample of nickel is heated to 100 °C and placed in 55.0 g of water at 23.0°C. What is the final temperature of the solution give that the specific heat of nickel is 0.444 J/(g°C)
Calculate the standard enthalpy change for this reaction from these reactions of iron oxides with CO.
Which is the rate-determining step
Conclude both the rate law for the reaction and the rate constant k.
Formic acid is the simplest carboxylic acid. It is an important intermediate in chemical synthesis and occurs naturally, must notably in the vendom of the bee and ant stings. In fact, its name comes