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Question: A 74.8 g sample of copper at 143.2°C is added to an insulated vessel containing 165 mL of glycerol, C3H8O3 (l) (d = 1.26 g/mL), at 24.8°C. The final temperature is 31.1°C. The specific heat of copper is 0.385 J g-1°C-1. What is the heat capacity of glycerol in J mol-1C-1?
How much heat is required to convert 83 g of nitrogen gas to NO2 at constant temperature and pressure in the presence of excess oxygen
Electrochemistry and Solubility, The potential of the cell Bi|Bi2S3(s) |Bi2S3(aq)|Bi is 0.96 V at 25*C. Calculate the solubility of Bi2S3, Assume it is an ideal solution.
Calculate Ka for acetic acid in both the molal and molar standard states. Use as many sig figs as your calculations in part b.) warrant.
If you prepared a solution by adding equal numbers of moles sodium sulfite (Na2SO3) and sodium hydrogen sulfite (NaHSO3) to 50 mL water, what would be the pH of the solution?
Fully explain hemoglobin's function in the bicarabonate buffer system including how oxygen binding affinity changes in this process.
Use a solubility table to predict which of the following combinations of ions would produce a precipitate for the following and write complete net ionic equation for each reaction.
Acetone, a common laboratory solvent, has DeltaHvap = 29.1kJ/mol and a normal boiling point of 56.1 C. At what temperature (in C) does acetone have P_vap = 109 mm Hg
What mass of sucrose should be combined with 468 of water to make a solution with an osmotic pressure of 8.75 at 295 ? (Assume the density of the solution to be equal to the density of the solvent.)
What is the final volume V2 in milliliters when 0.508L of a 46.4% (m/v) solution is diluted to 23.6%(m/v).
transmitted by an AM radio station is given by P = 400 + 200m^2, where m is the modulation index. Find the instantaneous rate of change of P with respect to m for m
degress C in boling water and then dropped the hot coins into 43.0 g of water at a temperature of 15.5 C in a coffee cup calorimeter. The final temperature of the water and the coins was 21.5 C.
Although acetanilide and phenacetin aren't appreciably acidic, acetaminophen (like aspirin) is a stronger acid than water. what problem would you encounter if the unknown component were acetaminophen rather than acetanilide or phenacetin
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