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The Kc for the reaction of hydrogen and iodine to produce hydrogen iodide equals 54.3 at 430 C. Calculate the quilibrium concentrations of H2,I2, and HI if the intial concentrations are H2=I2=0M and HI=.525M. H2(g)+I2(g)<-->2HI(g)
When 15.0 L of water is added to 1.5 liter of a 2.0 M solution of potassium phosphate (aq), what is the final concentration
Balance the following skeleton reaction and include states of all reactants and products in your balanced equation.
13.00 moles of gas are in a 5.00 L tank at 22.6 C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constants for methane are a = 2.300 L^2*atm/mol2 and b = 0.0430 L/mol.
What characteristic properties distinguish the transition elements from the Group IA and -IIA metals?
How much aspirin can be made from 100.0 g of salicylic acid and 100 g of acetic anhydride? If 122 g of aspirin were obtained by the reaction, what is the percent yield?
a gas has a volume of 590mL at a temperature of -55.0 C. what volume will the gas occupy at 30.0C?
Calculate the weight of precursor salt needed to make 500 ml of a 2 M aqueous solution of the metal ion from each salt.
A colloidal compound has 10^15 spherical particles per gram with a density of2.7 g/cm^3. What is the surface area per gram
Use regression analysis to investigate the relationship between the number of fatal accidents and the percentage of drivers under the age of 21. Discuss your findings.
Which of the following substances would consist of molecules with twice the average velocity of SO2 molecules at the same temperature?
Write one overall equation, using an alkali metal ion and a nitrate ion as spectator ions if needed, for the following net ionic equation: H+(aq) + OH-(aq) ? H2O(l)
If the titrant has a molarity of 0.2750 M and there are 25.00 mL of analyte present, what is the molarity of the analyte?
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