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What would you guess is the electron configuration of the ground state of iodine? And for Zirconium?
Compounds A and B react to give a single product, C. Write the rate law for each of the following cases and determine the units of the rate constant by using the units M for concentration and s for time.
A stock solution of 1.24 x 10^-4 M dye is available in the lab. What volume of the stock solution must be transferred to a volumetric flask to prepare a 25.00 mL dilution with a concentration of 2.00 x 10^-5 M
A 120g sample of an unknown substance was heated from 15oC to 30oC. The substance absorbed 458 joules of energy. What is the specific heat of this substance?
Write a balanced net ionic equation to show why the solubility of FeCO3(s) increases in the presence of cyanide ions and calculate the equilibrium constant for this reaction.
electronic transition in a hydrogen atom has a wavelength of 486.2 nm. From what initial energy level (ni) did the electron transition?
Calculate how many moles of gas was in the bicycle tire when the total volume of gas collected is 5.60L{rm L} at a pressure of 765torr{rm torr} and a temperature of 25 °C^circ {rm C}.
Which of the following statements concerning the determination of crystal structure by x-ray diffraction is incorrect? X-rays are reflected from the repeating planes of an ordered crystal lattice
Which of the following is a buffer?
Compute the number of grams of H 2 SO 4 in 1 gallon of battery acid if the solution is 38.9% sulfuric acid by mass and has a density of 1.33g/mL ?
The resulting mixture exerts a pressure of 745 mm Hg at 95 C. What was the mass of the original sample?
Explain the physical interactions of the molecules that lead to proteins falling out of solution in high salt. What is the driving force of protein precipitation?
Calculate the vapor pressure above concentrated NaOH at 35.0 °C, given vapor pressure of H2Ois 42.2 mm Hg at 35.0 °C.
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