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What is the minimum external voltage must one supply in orger to perform the electrolsis of molten CaCl_2(l)? Suggest a means for supplying this energy.
A compound's 13C NMR spectrum shows a resonance at 176 and 85 ppm. What possible structural subunit does the compound contain
A 10.0 mL sample of vinegar, which is an aqueous solution of acetic acid, CH3COOH, requires 16.5 mL of a .500 M NaOH solution to reach the end point in a titration. what is the molarity of the aceti
how many milliliters of a .215 M NaOH solution are needed to completely neutralize 2.50 mL of a .825 M H2SO4 solution
A compounds H NMR spectrum shows a resonance at 5.47 and 3.49 ppm. What possible structural subunit does the compound contain
The solubility product constant (Ksp) for the dissolution of SrSO4 as represented by the chemical equation is 2.5 x 10-7.
What is the minimum external voltage one must supply in order to perform the electrolysis of molten CaCl2. Show work, explain, and suggest a means for supplying this energy.
For TiCl4, delta H (not) is 54.3 kJ/mol and delta S (not) is 133 J/mol*K what is the boiling point of TiCl4 in degrees C
Will solutions of the following salts be acidic, basic, or neutral? a)K2SO4 b)KNO2 c)CaF2 d)NH4Cl
The molarity of C2O42- in a saturated solution of CdC2O4 was determined to be 0.000122 M. Calculate the solubility product constant (Ksp) for CdC2O4.
The solubility product constant (Ksp) for the dissolution of CdC2O4 as represented by the chemical equation is 1.5 x 10-8.
Calculate the mass (g) of NiS that will dissolve in 1100 mL of 0.169 M NiCl2 solution. The equation represents the solubility process.
solution x has a pH of 9.5 and solution y has a pH of 7.5. a)which solution is more acidic? b)what is the [H3O^+] in each? c)what is the [OH^-] in each
Calculate the mass (g) of SrSO4 that will dissolve in 900 mL of 0.00253 M SrCl2 solution. The equation represents the solubility process.
Calculate the mass (g) of CdC2O4 that will dissolve in 2000 mL of 0.357 M CdBr2 solution. The equation represents the solubility process.
Calculate the molarity (mol/L) of CO32- when SrCO3 is placed in a 0.0340 M SrCl2 solution. The equation represents the solubility process.
Calculate the molarity (mol/L) of Mn2+ when MnS is placed in a 0.0179 M (NH4)2S solution. The equation represents the solubility process.
what are the [H3O^+] and OH^-] for a solution with each of the following pH values? a)10.0 b)5.0 c)6.5 d)1.82
Determine the pH and pOH for each of the following solutions: a)[OH^-]=1.0x10^-7 M b)[H3O^+]=4.2x10^-3 M c)[H3O^+]=.0001 M d)[OH^-]= 8.5x10^-9 M
Are polar covalent single bonds generally stronger than pure covalent single bonds. Explain why.
in the blood plasma, pH is maintained by the carbonic acid-bicarbonate buffer system. a)how is pH maintained when acid is added to the buffer system? b)how is pH maintained when base is added to the
adding a few drops of a strong acid to water will lower the pH appreciably. however, adding the same number of drops to a buffer does not appreciably alter the pH. why
What is the minimal external voltage one must supply in order to perform the electrolysis of molten CaCl2 in the above question. Suggest a means for supplying this energy.
Compare the pH of a H2CO3 buffer that contains .10 M H2CO3 and .10 M NaHCO3 with another H2cO3 buffer that contains .15 M H2CO3 and .050 M NaHCO3.
An essential amino acid is one that you cannot make at a rate consistent with the normal growth and maintenance, which of the following sets consists of only essential amino acids