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Of the two materials VO and NiO, which would be expected to exhibit more metallic properties? Explain your answer (Hint: consider the Ketelaar triangle)
The solution was acidified and treated with thioacetamide until no further change occurred. Calculate the Cu2+ and Fe2+ concentrations in the resulting solution. Ksp CuS=8.5x10^-36, Ksp FeS=3.7x10^-19
Exothermic Reaction. Chemical process in which system evolves resulting in heat transfer to the surroundings. Endothermic Reaction: Chemical process in which system evolves resulting in heat transfer to the system. A. Burning wood in a campfire.
Calculate the pH of a 0.50 M aqueous solution of NH3. The Kb for NH3 is 1.8 x 10-5.
Suppose that the microwave radiation has a wavelength of 12.4 . How many photons are required to heat 215 of coffee from 25.0 to 62.0 ? Assume that the coffee has the same density, 0.997 , and specific heat capacity, 4.184 , as water over this tem..
Define Supercritical fliud. Give an example and it's properties. Which fundemental thermodynamic property is important to the solubility
An X-ray photon of wavelength 0.976 strikes a surface. The emitted electron has a kinetic energy of 958 eV. What is the binding energy of the electron in?
How many moles of bromine will react with 0.0500 mole of C2H2 in the reaction C2H2 + 2 Br2 -> C2H2Br4?
Add 28 ml of water and 1.0 ml of concentrated hydrochloric acid to the erlenmeyer flask.), but otherwise followed the above procedure. The student obtained _no product. Explain why?
One of the steps in purifying silicon involves reacting the intermediate silicon tetrachloride with steam to produce high-purity silicon dioxide and hydrogen chloride gas
Calculate the solubility (in M units) of ammonia gas in water at 298 K and a partial pressure of 9.00 bar . The Henrys law constant for ammonia gas at 298 K is 58.0 M/atm
A large number of polycyclic benzenoid aromatic hydrocarbons are known. One of these, benz/a/pyrene, is a powerful carcinogen found in tobacco smoke.
how many moles of solute are present in 700ml of 0.230M SrBr2
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