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Physical Chemistry
12 Which of the following is NOT crystalline?
Diamond
Polythene
Potassium iodide
Graphite
Diamond
Polythene
Potassium iodide
Graphite
Physical Chemistry
which of the following describes the entropy change as a solution is made from a liquid and solid a) delta S>0 B) delta S<0 C) delta S=0 D) delta S delta H ?
Physical Chemistry
The type of solution that is prepared by weighting a pure solute, dissolve it in a suitable solvent and make up the solution to a definite volume in a volumetric flask is ________.
Physical Chemistry
Prove that slow step is the rate determining step.
Physical Chemistry
Draw an energy diagram for a reaction that starts with reactants whose energy is 20.0kJ and has a delta H of 20.0kJ. The activation energy for the reaction is 35.0kJ.
Physical Chemistry
how would you prepare 300.0 milliliters of a 0.250 m KH2PO4 solution?
Physical Chemistry
1. a) What is the dimensional formula and IS unit of pressure?
b) State the assumption made by Langmuir to obtain the absorption isotherm?
b) State the assumption made by Langmuir to obtain the absorption isotherm?
Physical Chemistry
A 0.1888g sample of hydrocarbon produces 0.6266g of carbon dioxide and 0.1602 water. in a combustion analysis its molecular mass is 106g/mol. determine its mass percent composition
Physical Chemistry
the residue of a chemical reation is allowed to cool in a
Physical Chemistry
The molarity of glucose solution is 0.02 the mass of glucose in 50cm3(cube) of the solution is what?
