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Find delta heat formation of butane. C4H10 + 13/2 O2 ---> 4 CO2 + 5 H2O. Delta H comb= -2881.9 Delta Heat formation of CO2 = -393.5kJ/mol Delta Heat formation of H2O = -241.8kJ/mol What is the kJ
Analyzing a new reaction Consider the following elementary steps that make up the mechanism of a certain reaction: 1.3A>B+C 2. B+2D>C+F A. What is the overall reaction?
On a particular day, the barometric pressure at the top of the mountain was 334 torr. On that day, at what Celsius temperature did water boil on the top of the mountain
What is the change in pH when 0.005 moles of HCl is added to 0.100 L of a buffer solution that is 0.100 M in CH3CO2H and 0.100 M NaCH3CO2? The Ka for acetic acid is 1.8 x 10-5.
solute that is non-volatile electrolyte wtih a molar mass of 100g/mol has an osmotic pressure of 12atm at 298K. The density of the solution is 1.20 g/cm3 what is the boiling point of this solution? Kb=0.52 C/m
Explain why the elimination reaction in acetone promotes an E2 mechanism while water promotes and E1 mechanism? Which product is more thermodynamically stable, the E or Z isomer?
How many grams of benzoic acid would you add to 30 mL of 0.27M sodium benzoate in order to prepare a buffer solution at pH=4.5? Ka of benzoic acid is 6.3E-5.
if the density of water at 25.2 degree celcius is 0.997962 g/cm^3, what is the volume of liquid in mL whose mass is 20.762 g?
What does the number 42 in whatman filter paper #42 mean? What does it indicate about the paper's properties? (what does it have to do with aluminum?)
Use the Frost Circle to draw the energy levels of the Pi molecular orbitals for this ion, show the electronic configuration and explain why the ion is aromatic.
pKa of a carboxylic acid group found on a molecule of DOM is 4.2 and pKa of An amino group found on a molecule of DOM is 9.3. Explain how pH influences the ability of these groups to bind to metals. Illustrate how well each of these groups would b..
using the hendersoon hasselbach equation calculate the pH of a solution made by adding 50.0mL of 1.00M sodium acetate to 50.0mL
What volume of oxygen gas is required to react completely with 1.32 mol of iron according to the following reaction at 0 C and 1 atm
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