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Calculate Delta H degree rxn for the reduction of V2O5. The table is : V2O5(s) = -1550.6 DeltaH degree kj/mol : H2(g) = 0 DeltaH degree kj/mol : V(s) = 0 DeltaH degree kj/mol: H2O(g) -241.82 DeltaH degree kj/mol. Express your awnser in 4 significant digits in KJ
the carbon-carbon bonds would be alternately long and short. However, to consider the structures as resonance contributors (or to connect them by a double-headed arrow) violates a basic principle of resonance theory.
a 1.00-l gas sample at 100.degc and 613 torr contains 50.0 helium and 50.0 xenon by mass. what are the partial
The imaginary nonmetal E has two isotopes 50E(isotopic mass 49.9715 u abundance 76.66%) 52E (isotopic mass 51.9663 u) Calculate the atomic mass of E as it would appear in the periodic table.
what is the molecular formula of the compounds created by fecl3
what is the mole fraction and b) what is the molality of this compound in the solution? the molar mass of the unknown compound is 45.0 g/mol
What is the concentration of the sodium ion (in M) in a solution of 0.695 M sodium phosphate
When a strontium salt is ignited, it burns with a red flame. The frequency of the light given off by this flame is greater than
A certain compound is made up of three chlorine atoms, one phosphorus atom, and one oxygen atom. What is the chemical formula of this compound
Calculate the pH of the following solution: A mixture of equal volumes of 0.35 M glycine and 0.55 M HCL.
The concentration of methane in the biogas leaving an anaerobic digester (part of a wastewater treatment system) is 55% (volume basis) at 50 °C. The remaining 45% is CO2.
Four of the following statements about the ammonia molecule, NH3, are correct. One is not. Which one. A) The ammonia molecule is tetrahedral.
Select each side of the mass balance equation for an Fe3(PO4)2 solution where the existing species are Fe2
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