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Describe the differences in the shapes of the electron density distributions for NH3, NCl3, and PF3. Explain how the energy minimized bond angles are consistent with these shapes.
Compression and Cooling of Nitrogen Gas. A volume of 65.0 ft^3 of N2 gas at 90°F and 29.0 psig is compressed to 75 psig and cooled to 65°F.
Write a mechanism for the reaction of an alkyl halide with alcoholic silver nitrate which demonstrates the type of substituition which occurs. Explain how this mechanism accounts for the relative rate of reactivity for 1 degree, 2 degree and 3 deg..
What would you expect the measured decay rate to be 4.00 hours later? The half-life of Ru-97 is 2.79 days.
A 1.00 L balloon filled with nitrogen at 25 ° C and 765.3 torr is moved to a closed vessel with the pressure now at 659.3 torr and temperature 25 ° C.
sample containing 4.80 g O2 of gas has a volume of 15.0 L. Pressure and temperature remain constant. What is the new voume if 0.500 mole O2 gas is added?
The mass of a cube of iron is 392 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
Determine the mass of carbon dioxide produced when .85 grams of butane reacts with oxygen according to the following equation : 2C4 H10 + 13O2 ->8CO2 + 10H2O
Calculate the pH of each of the following strong acid solutions: 5.00 mL of 1.00 M HCl diluted to 0.500 L d) a mixture formed by adding 50.0 mL of 0.020 M HCL to 150 mL of 0.010 M HI
A 0.12M solution of a weak acid HA has pH = 2.49. What is the Ka of this acid.
a temperature of 37 degrees Celcius were heated to a temperature of 250 degrees Celcius. If the volume does not change, what is the new pressure of the gas in atmospheres?
How many mL of each of 0.10 M lactic acid solution and 0.10 M NaOH solution are needed to make 800 mL of a buffer of pH 3.50?
the approximate equivalence point of a ph meter titration before before carrying out the ph titration
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