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Suppose a similar experiment had been done using 1.0 M H3PO4 solution as the acid. What would be the expected stoichiometric ratio, mol H3PO4 / mol NaOH, at the intersection of the ascending and descending portions of the graph for such an experiment?
Why is it preferable to use a metal ion buffer to achieve pM = 7, rather than just dissolving enough M to give a 10-7 M solution?
what will be the final temperature of the system when thermal equilibrium is attained
Air is mostly nitrogen and oxygen. Determine the rms speed of nitrogen and oxygen at room temperature (20° C).
The ache or "burn" you feel in your muscle during strenuous exercise is caused by the accumulation of lactic acid. The hydrogen atom of the COOH group is acidic
Why is there a differance in the change in enthalpy and the change in internal engery for the zinc/hydrochloric acid reaction but not for the neutralization reactions
An industrial freezer is maintained at -26 oC with a vapor compression refrigeration unit using R-134a (HFC-134a) as the working fluid. A throttle is used in the refrigeration cycle and the compressor is 80% efficient.
How many grams of NaCl can be produced from the reaction of 1.35g of Na2CO3 with 125mL of 0.265M HCl according to the following reaction
What mass of melamine, C3N3(NH2)3 will be obtained from 162.0 kg of urea, Co(NH2)2 if the yield overall reaction is 80%
Explain why p-nitrophenol is a stronger acid than phenol itself. P-methoxyphenol and acidity
A solution of 5.00g of an organic compound in 25.00g carbon tetrachloride boils at 84.8 c at 760torr. What is the molecular weight of the compound. (bpt ccl4 = 76.5 C, Kb = 5.03 C/m)
Do all ionic compounds dissolve in water, Do all covalent compounds dissolve in water? answer should be 50 to 100 words.
Describe, using Raoult's law and Dalton's law of partial pressure, why the vapor pressure of a pair of miscible ideal liquids will always be somewhere in between the vapor pressures of the pure liquids (at the same temperatures).
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