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What is the hydronium-ion concentration of a 5.23 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4?
what is the final temperature of the mixed solution? The heat of neutralization is -56.2 kJ/mol. Assume the density and specific heat of the solutions are the same as those for water.
A sample of nitrogen has a volume of 630 mL at a temperature of 49 degC. Assuming that the pressure is constant, what will be the volume when the temperature is 348.6 degC.
Calculate the transformation rate for the austenite-to-pearlite transformation at 650 °C and at 600 °C. Show the relationship(s) you used to arrive at your answers.
If a 100.0 g sample of water at 60.0 degreesC is added to a 100.0 g sample of water at 10.0 degrees C, determine the final temperature of the water.
Show step-by-step mechanisms to produce the indicated polymeric substrate products. include an appropriate termination step where needed.
Water contained in a piston-cylinder assembly undergoes two process in series from an initial state where the pressure is 10 bar and the temperature is 40°C. at first, the water is cooled as it is compressed at a constant volume to 150°C.
Complete the reaction of salicylic acid and 4-aminobenzenesulfonic acid by drawing the expected product.
why must the Meltemp apparatus cool dwon to around 40 C between measurments? 5)why you expect ionic solids to have higher melting point than molecular solids?
A titration of 200.0 mL of 1.00 M H2A was done with 1.28 M NaOH. For the diprotic acid H2A, ka1 = 2.5 x 10^-5 and ka2 = 3.1 x 10^-9.
A metal sulfide is 71.6% metal by mass. What is the mass fraction of the metal in the metal sulfide?
Construct a neat and compact table, including title and footnotes if required, to summarise the following information taken from rough notes
Tabulate the viscosity and density of water between the temperatures of 10 degrees and 80 degrees, in one degree increments in the 20 to 35 degrees interval and in 5 degrees increments outside this interval
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