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A 5.00g sample of pure nitric acid is dissolved in 1.00 liters of water and in a calorimeter that has a heat capacity of 5.16 kJ/K. The temperature increases by 0.511 K. Calculate the "molar heat of dissolution" (kJ/mol). Recall heat capacity of water is 4.184 J/g degrees celsius.
Draw the major and minor resonance structure for the carbonate ion (CO3^-2). Include any formal charges, Indicate which are the major resonance structures and why.
explain what ( if anything) is wrong with the following student's statement: " our solution is red, so we should set the spectrophotometer to the red light range
what is a given and how much water must be mixed with concentrated hydrochloric acid to prepare 50 cubic cm of 6 molar hydrochloric acid solution?
when 50.0 g of Copper are reacted with silver nitrate solution Cu + 2AgNo3 - Cu(No3)2 +2 Ag 148 g of silver are obtained. what is the percent yeild of silver obtained?
What must the heat rating of the heater, in kJ/min, to accomplish this? Ignore the heat that goes to the heat cup itself. The density of water is 0.997 g/ml.
Calculate the work done (in Joules) when 33.3g of tin dissolves in excess acid at 1.04 atm and 22 degrees C. Assume ideal gas behavior.
Butyric acid is responsible for the foul smell of rancid butter. The pKa of butyric acicd is 4.84.
What is the percent dissociation of ascorbic acid if the solution has a pH = 5.50 and a pKa = 4.10?
Calculate the final volume of the reaction mixture: B. Calculate the number of moles of each reagent (acetone, iodine, and acid) in the resulting reaction mixture: acetone: iodine: acid:
Calculate the potential of the cell be if the mass of the Iron (Fe) electrode (MW = 55.85 g/mol) is 62.0 g?
If 155mL of wet {grm{H}}_2 is collected over water at 24 ^circ {rm C} and a barometric pressure of 739torr , how many grams of {grm Zn} have been consumed.
calculate the estimated ratio of the protonated form of acetylsalicylic acid to the deprotonated form of aspirin at equilibrium in the stomach? acetylsalicylic acid(Aspirin) is a weak acid with a pKa = 3.4, Stomach acid has pH = 1.4.
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