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Solve an equilibrium problem (using an ICE table) to calculate the pH of 0.16M CH3NH2 and the pH of 0.16M CH3NH3Cl
Use the systematic treatment of equilibrium to determine the pH and concentrations of species in 1.00 L of solution contatining 0.070 lysine HL 0.055 mol aspartic acid H2A and 0.0080 mol NaOH. Consider just acid base chemistry. Ignore ion pairing ..
What volume of pure O2(g), collected at 27°C and 746 torr, would be generated by decomposition of 128 g of a 50.0% by mass hydrogen peroxide solution?
determine the molarity of the solution if 3.00 grams of ammonium sulfate is dissolved in enough h2o to form 300. ml of
How many grams of water are required to dissolve 24g od KNO3 at 100 degrees celsius?
In combustion studies of the use of H2 as an alternative fuel, HO is sometimes formed in flames by the reaction, H(g) + 1/2 O2(g) HO(g)
A 30 g sample of water at 280 K is mixed with 50 g of water at 330 K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
The iron content of an ore can be determined by a redox titration using K2Cr2O7 as the titrant. A sample of the ore is dissolved in concentrated HCl using Sn2+ to speed its dissolution by reducing Fe3+ to Fe2+.
hydrazoic acid (HN3, Ka = 1.900x10-5) with 0.08699 M KOH, what is the pH after 92.88 mLs of titrant have been added
A 280- mL flask contains pure helium at a pressure of 757 torr. A second flask with a volume of 465 mL contains pure argon at a pressure of 715 torr.
How many grams of isopropyl alcohol, C3H7OH, should be added to 1.0 L of water to give a solution that will not freeze above -16°C
Iodobenzene(C6H5I, bp 188C) steam distills at 98.2. How many molecules of water are required to carry over 1 molecule of iodobenzene. How many grams os water per gram of iodobenzene
When 5.00g of LiCl is added to 100g of water the temperature of the water was found to increase by 9.94*C. Calculate the molar enthalpy of solution for LiCl. Assume the specific heat of the mixture is 4.18 J/g*C.
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