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Use activity coefficients to find the concentration of hydrogen ions in a solution of 40.0 mM butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO- to be 500 pm
175 g of water was heated from 15 degrees to 88 degrees C. How many kilocalories were absorbed by the water?
Suggest a mechanism for the hydrolysis of n-butyl bromide to n-butanol. Include the elementary steps and indicate the rate determing step
The chemical 5-amino-2,3-dihydro-1,4-phthalazinedione, better known as luminol, is used by forensic scientists in analyzing crime scenes for the presence of washed-away blood.
If 3.1 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 ->CO2 + H2O, how much oxygen is required?
an ideal gas with temperature independent Cp = (7/2)R at 15 degrees C and having initial volume 60 m^3 is heated at constant pressure (P =0.1013 MPa) to 30 degrees by transfer of heat from a resivoir at 50 degrees C.
Assume that .20 mol of the acid is added to 250 mL of water. To make a buffer of pH = 4, how many moles of the conjugate base must be added to the solution?
Lewis Dot structure and identify molecule shape, the hybridization on the central atom, and whether the molecule is polar or non
Arrange the following aqueous solutions in order of increasing freezing points
what would its speed be just before striking the ground? Ignore the effects of air resistance
The flame produced by the burner of gas (propane)grill is a pale blue color when it mixes with propane(C3H8) to burn it completely. For every gram of propane that flows through the burner, what volume of air is needed to burn it completely?
Considering the reaction: SO2Cl2(g) --> SO2(g) +Cl2(g) Kp=2.91 and temp = 298k. the partial pressure of SO2 is 137 torr and the partial pressure of Cl2 IS 285 torr. What is partial pressure of SO2Cl2?
assuming no energy is transferred to or from the surroundings, calculate the final temperature of the water after all the ice melts heat capacity(s) 37.7 jmolk
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