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1. What are the electron configurations of the following metal ions: Fe3+, Zr4+ and Co3+?
2. Draw a) the high-spin electron configuration for a complex containing Fe2+ and b) the low- spin electron configuration for a complex containing Fe2+. Assume an octahedral geometry for both complexes. Use your chemistry textbook as a reference to answer this question.
3. The absorbance maxima observed for the following cobalt complexes are: ([Co(NH3)6]3+ ?max = 470 nm, [Co(NH3)5Cl]2+ ?max = 560 nm, [Co(NH3)4Cl2]+ ?max = 630 nm, and [Co(NH3)3Cl3] ?max = 680 nm). These transitions can be identified with transitions involving d-electrons.
a) Should the spectrochemical series apply for these complexes? Why or why not? Explain.
b) Is the trend in wavelength the same as you would predict using the spectrochemical series? Explain.
If energy obtained from burning 1.23 pounds of butane (feul value is 10.85 kcal/g) is used to heat 126.5 kg of water at an initial temperature of 20.7 degrees C, what is the final temperature
A volume of 60.0 mL of aqueous potassium hydroxide (KOH) was titrated against a standard solution of sulfuric acid (H2SO4)What was the molarity of the KOH solution if 22.2 mL of 1.50 M H2SO4 was needed?
Complete and balance the equation for this reaction in acidic solution. ZnS + NO3^- -> Zn^2+ + S + NO Which element was Oxidized. Which element was reduced ? Which species was the oxidizing agent ? Which species was the reducing agent
A sample of gas occupies a volume of 364 mL at 1.28 atm and 27 oC. Calculate the volume of the gas if its temperature is changed to 57.0 oC while its pressure is held constant.
calculate the amount of heat released when 50g of steam at 100 degrees celsius hits the skin condenses and cools to a
how long it will take the same ammount of gaseous I2 to effuse from the same container under identical conditions.
The empirical formula of styrene is CH, its molecular weight is 104.1. What is the molecular formula of styrene
write the condensed electron configurations for the rm ga atom.express your answer in condensed form in order of
The smallest sample of carbon atoms that can be observed with the naked eye has a mass of approximately 2 x 10-8 g. Given that 1 g = 6.02 x 1023 amu,
Assume that 120 grams of CH 3CH 2OH at 29 degree Celsius temperature is added with 250 grams of CH 3CH 2OH at 85 degree Celsius degree Celsius at constant pressure of atmosphere.
A pstient is administered mercury-197 to help evaluate kidney fuction. Mercury-197 has a half - life of 65 hours. what fraction of an initial of an initial does of mercury-197 remains after 6-0 days?
the pka of benzoic acid and 4-nitroanilinium hydrochloride are 4.2 and 1.0 respectively.a. determine the keq for the
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