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Acetic acid when pure, has a freezing point of 16.0 Celsius; Liquid acetic acid has a heat capacity of 1.96J/g*C. A 25.0 g piece of solid acetic acid at 16.0C is placed into an insulated container containing 50.0g of liquid acetic acid at 50.0C. when the temperature of the mixture reached 16.0C there is 7.7g of solid acetic acid left. a) calculate delta rxn H degrees for CH3CO2H(s) --> CH3CO2H(l) b)what is the term for this specific enthalpy change Please SHOW ALL steps, and make writing very Clear.
A gas is heated from 268 K to 290 K while its volume is increased from 25.0 L to 37.0 L by moving a large piston within a cylinder. If the original pressure was 0.90 atm, what would be the final pressure?
Using 3.2 g bromobenzene. Calculate the number of grams of Mg required if you need a molar equivalency of 1.25. Then calculate the amount of benzaldehyde
When 0.100 mol of toluene(C7H8(l)) is burned in this calorimeter, the temperature is raised by 0.615C. The equation for the combustion reaction is
calculate the equilibrium partial pressures of all gases in the reaction and set up the expression for Kp in terms of equilibrium partial pressures but do NOT solve.
What IR peaks of your cyclohexanone product are characteristic of the ketone group? What IR peaks of cyclohexanone will indicate it is impure? for a carboxylic acid, such as adipic acid?
why does a salt containing a cation from a weak base and an anion from a strong acid form an acidic solution
Predict the order of elution for benzoic acid and methyl orange in normal phase column chromatography using polar SiO2 as the stationary phase. In other words, which compound should come off the column first? The structures of benzoic acid and met..
Arrange the following ionic compounds in order of decreasing amount of energy released in lattice formation:
standard-state free energy of formation data to calculate the acid-dissociation equilibrium constant
Gastric juice is made up of substances secreted from parietal cells, chief cells, and mucous-secreting cells. The cells secrete HCl, proteolytic enzyme zymogens, mucin, and intrinsic factor
Which of the following pairs of amino acids would carry a negative charge on their side chain at pH 8.0?
The molar mass of the compound is 303.8 g/mol and the molar masses of C, O, and Ag are 12.-1 g/mol, 16.00 g/mol, and 107.9 g/mol, respectively. Determine the empirical and molecular formula of the compound.
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