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A sample of oxygen is collected over water at 22 C and 752 mm Hg in a 125-mL flask. the vapor pressure of water at 22 C is 19.8 mm Hg. how many moles of dry gas are collected and how many moles of wet gas are in the flask?
The equilibrium internuclear distance of deuterium iodide, DI, is 160.4 pm, where 1 pm = 1x10-12m. The relevant atomic masses are: mD = 2 amu and mI = 127 amu
The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transiytion state theor is valid
A reaction mixture containing 20 mM O-acetyl serine, 50 mM NaCl, 50 mM HEPES buffer (pH 7.6), and O-acetyl serine acetylase is incubated in 37C until O-acetyl serine is completely hydrolyzed. What is the pH of the mixture at the end of the reactio..
What is the molarity of the resulting solution when 28.249 g of Mn(ClO4)2 · 6 H2O are added to 550.0 mL of water?
The oxide of which of the following metals should have the greatest lattice energy?
What volume of hydrogen gas is produced when 83.8 g of iron reacts completely according to the following reaction at 25oC and 1 atm.
The wavefunction will become ionized d. The parity of the wavefunction will go to zero e. the sign might change f. the particles become fermions g. The wavefunction will invert around a center of inversion h. nothing may happen
Draw the structures of the eight isomeric pentyl alcohols (C5H11OH) and name them including primary
When a piece of copper wire is placed in a colorless solution of silver nitrate, the surface of the wire becomes coated with a shiny silvery material, and the copper begins to form aqueous copper(II) nitrate, which is blue. Which of the following ..
According to the following reaction, how many moles of ammonium nitrate are necessary to form 0.625 moles water
It was originally part of my ebook EVERYTHING YOU NEED TO KNOW ABOUT CHEMICAL NOMENCLATURE. If you want more information or a more complete description to include inorganic compounds please see the ebook section of this website.
The barium salt was found to have two mole of water of hydration per Ba ion and the acid is mono basic. What is molecular weight of anhydrous acid.
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