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How many moles of sodium hypobromite should be added to 1.00 of 5.0×10-2 hypobromous acid to form a buffer solution of = 9.13? Assume that no volume change occurs when the is added.
The enthalpy of vaporization of ethanol is 38.56 kJ/mol. It has a boiling point of 351.44 K. What is the difference in entropy between ethanol's liquid and gaseous states at 351.44 K. What I'm asking is what is the size of the "jump" on the Sm ver..
what is the enthalpy change for a reaction where the internal energy change is 58.0 kJ and the volume increase is 12.6 L? (1L * atm = 101.325 J)
a 27.2 ml sample of a solution of rboh is neutralized by 16.12 ml of a 2.047 m solution of hbr. what is the molarity of
A 50.0 mL sample of 0.40 M benzoic acid, C6H5COOH, a weak monoprotic acid, is titrated with 0.48 M NaOH. Calculate the pH at the equivalence point. Ka of C6H5COOH = 6.5 10-5
A sample of sodium reacts completely with 0.426 of chlorine, forming 702 of sodium chloride. What mass of sodium reacted?
Calculate the potential at a platinum electrode in the titration of 50.0 mL of 0.100 M FeSO4 after addition of 7.00 mL of 0.0500 M KMnO4.
Suppose that the calorimeter shown here was used to determine the energy change for an acid-base reaction. An acid/base reaction solution was made by combining 150 mL of 0.5 M HCl of 50 mL of 1.00 M NaOH, to make 200.0g of solution
when heated lithium reacts with nitrogen to form lithium nitride. what is the percent yield of the reaction if 13.9 of
what is the radius of the cross section of a cylinder that has a volume of 644.0 m3 and a height of 12.6 m?
what ions will the following elements form?
How would you make a buffer with a volume of 2.0 L, pH of 5.0 and a strength of 0.25 M using 5.0 M acetic acid stock solution (Ka = 1.8x10-5) and sodium acetate ( NaO2C2H3 available as a solid salt FW = 82 g/mole).
If a system has 2.50 × 102 kcal of work done to it, and releases 5.00 × 102 kJ of heat into its surroundings, what is the change in internal energy of the system
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