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What will be the heat capacity (in units of J/K) of a constant pressure, coffee-cup calorimter that contains 100.0 mL of 3.0 M HCl solution? The density of the solution is 1.098 g/mL, the specific heat capacity of the HCl solution is 4.10 J/g*K and the heat capacity of the empty styrofoam cups is 15 J/K.
What is the M concentration in octanol? (b) pH= 8.00 what is the M concentration in water? what is the M concentration in octanol?
a 0.30 m solution of sucrose c12h22o11 at 37oc has approximately the same osmotic pressure as blood. what is the
Identify the spectator ions present when the following are mixed. Include aggregation states. If there are no spectator ions, say none.
When 4.70 g of a nonelectrolyte solute is dissolved in 915 mL of water at 21 degrees C, resulting solution exerts an osmotic pressure of 839 torr.
Calculate the counts s-1 which should be observed by a detector of 2 cm2 area placed 300 cm from a sample of l2 containing 2 millicuries of 128l.
What is the value of Delta S when 2.7g of CH4 is compressed from 29.0 L to 18.0 L at a constant temperature of 100 C?
Determine the minimum concentration of KOH Potassium hydroxide is used to precipitate each of the cations from their respective solution.
What is the problem of attempting an Adols condensation using different aldehydes
Given the following peptide: MPFITCYRVE What is the net charge on this peptide at pH 3 and pH 11. Use the pK values for the individual amino acids in Table 4.1. Estimate the pI (isoelectric point) for this peptide.
A volume of 95.0ml of h2o is initially at room temperature 22.0 C. A chilled steel rod at 2.00 *C.is placed in the water. If the final temperature of the system is 21.2 *C. what is the mass of the steel bar?
What can you conclude from a graph where the plot of ln p (pressure) versus t (time) is linear instead of curved? (for conversion of methyl isonitrile into acetonitrile)
Write a balanced equation for the reaction that occurs when hydrogen sulfate ion behaves as a Brønsted-Lowry acid in water.
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