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What is the pH of a solution obtained by mixing 139 mL of KOH with a pH of 12.66 and 293 mL of Ba(OH)2 with a pH of 11.79? Assume that volumes are additive.
A human body contains 6 liters of blood. The hemoglobin content of blood is about 15.5g/100 mL of blood. The approximate hemoglobin molecular weight is 64,500g/mol. How many moles of hemoglobin are present in a typical adult
Use values of Ksp and Kf for copper (II) hydroxide and its complex to predict if a precipitate should form in a 0.1 M Cu2+ solution that is 3 M OH-. Ksp Cu(OH)2 = 1.3*10^-20 and Kf Cu(OH)42- = 1.3*10^16
What difference would you predict would occur in the graphing of the data if carbon dioxide was used instead of the components of air?
magnesium reacts with ironiii chloride to form magnesium chloride and iron.3mgs 2fecl3s gt 3mgcl2s 2fesa mixture of
calculate the pressure of the dimer when the total pressure is .725 atm at equilibrium. 2ch3cooh(g) (ch3cooh)2(g) Monomer Dimer
Calculate the minimum mass of hydrochloric acid that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.
Determine each of the following for a 0.500 M HBr solution. 1) Express your answer using three significant figures [H3O+]= M 2) Express your answer using three decimal places pH= 3)the balanced equation when reacted with LiOH.
Sodium borohydride is a strong base as well as a reducing agent. Why would it be better to add the NaBH4 solution to a base-sensitive substrate
When dealing with ICE tables and calculating Kb and such, how do you do the algebra to calculate x when x is NOT negligible?
NaOH is needed to reach the endpoint pH of 3.5. Show whether the experimental value of ANC agrees with the therorectical value determined in part c.
The combustion of oxalis acid in a bomb calorimeter yields 2816 J g^-1 at 25 degrees Celsius. Calculate a) Delta (c) U degrees and b) Delta (c) H degrees
the density of liquid water at 0 degrees celsius is 0.9987 gcm3 the density of ice at this same temperature is 0.917
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