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Depict a molecular energy level diagram for the water molecule, and fill in the electrons and is the multiplicity of water a single t?
Using a sample of a compound containing only oxygen and chlorine reacts with an excess of H2 gas to give 0.206 g water and 0.278 g HCl . ClxOy in presence of H2 (g) → HCl + H2O all the oxygen
Does the entropy of a system change when: a) a solid melts b) a gas liquefies c) a solid sublimes
Identify the cell reaction that will give the maximum operating voltage. Write out the oxidation and reduction half reactions, showing how they sum to the cell reaction. Identify the reaction that takes place at the anode and the cathode.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 57.0 mL of ethanol (density = 0.79 g/cm3) in enough water to make 255.0 mL of solution.
Is the reaction spontaneous?
Calculate pH of the solution after addition of 0.20 mols of KOH. The Ka for HNO2 is 4.3*10^-4
Find out the mass of nitrogen gas produced and calculate the volume occupied by this mass of gas at temperature of 23*C and a pressure of 99.5 kPa.
a sample of 4.00 g of a substance with a molar mass of 80.0 gmol is combusted and the heat released is used to heat
calculate the end point ph when 25 ml of 0.01 moll hcl solution reacts exactly with 25 ml of 0.1 moll nh4oh
the equation a abc becomes nonlinear at high concentrations of the absorbing substance. suppose you prepare a solution
It takes 53.0 to raise the temperature of an 10.2 piece of unknown metal from 13.0 to 24.0. What is the specific heat for the metal
Why does the law of conservation of energy supersede the law of conservation of mass
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