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The mass of water is 92.6 grams, the initial temperature of the water is 58.9 degrees celsius, the mass of teh liquid nitrogen added to the water is 57.1 grams, and the final temperature after the liquid nitrogen has vaporized is 29.6 degrees celsius.
How much heat is lost by the warm water?
The hydrated radii of sodium, hydronium, acetate, and nitrate ions are 4.5, 9.0, 3.5, and 3.0 °A, respectively what is the strength of the solution? calculate the activity coeffiecents of each speicies.
What's the reaction mechanism when n-butyl acetate reacts with sodium bromide to form n-buytl bromide
A scuba diver with a lung capacity of 5.4 inhales a lungful of air at a depth of 48 and a pressure of 5.8. If the diver were to ascend to the surface (where the pressure is 1.0 ) while holding her breath, to what volume would the air in her lungs ..
Predict the aqueous phase equilibrium concentration of phenanthrene at 25*C if the values for this compound are Cs = 1.1 mg/L, P^v = 1.6 x 10^-7 atm, KH = 4.0 x 10^-5 atm*m^3/mol, and logKow = 4.52.
find delta H for the solution of 1g NaOH in water d) find delta H for the solution of 1 mole NaOH in water e) Given the following heats of formation
Use bond dissociation energies to determine how much energy can be generated per mole of iso-octane.
individual suffering from a high cholesterol level in her blood has 239 of cholesterol per 100 of blood. If the total blood volume of the individual is 5.4 , how many grams of total blood cholesterol does the individual's body contain?
the background section describes why you want the bleach to be far in excess of the dye. state how much greater the
Calculate the pH at the equivalence point of a titration of 0.3326 g of THAM (pka=5.92) dissolved initially in 25 mL of H2O
A mixture of Ar and N2 gases has a density of 1.491 g/L at STP. What is the mole fraction of each gas
A steel cylinder holds 150.0 mol argon gas at 25 degrees C and a pressure of 9.53Mpa. After some argon has been used, the pressure is 2.00Mpa at 19 degrees C. What mass of argon remains in the cylinder.
A saturated solution of Mg(OH)2 is prepared and allowed to equilibriate at 25 degrees celcius. A 25.00 mL sample of the 25 degrees celcius solution is titrated with 0.00508M HCL solution. 1.38 mL of the HCL solution are required to fully react the..
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