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C8H18(l)+25/2O2(g)---->8CO2+9H2O
Calculate delta Hrxn for the combustion of octane(C8H18), a component of gasoline, by using average bond energies.
Consider the electron configuration of Al: (1s)^2(2s)^2(2p)^6(3s)^2(3p). Write down all possible terms describing this configuration. Which term describes the ground state of Al according to Hund's rules
Which is not a characteristic feature of alkanes a. general formula of CnH2n+2 b. tetrahedral geometry
use an orbital interaction diagram to draw the molecular orbitals oh H2+. Do you predict that this molecule will be stable? Explain your logic.
What would be the speed of the following particles if they had the same wavelength as a photon of red light ( = 750.0 nm)
The normal boiling point of water (delta H vap = 40.7 kJ/mol) is 100c. At the summit of mount Everest the boiling point of water is 70 c. Calculate the pressure in (torr) at the summit of Mount Ev.
a strip of magnesium of mass 15g is dropped into a beaker of dilutenbsp hydrochloric acid. calculate the work done in j
Determine the grams of fat, protein, and carbohydrate in one serving. Determine the number of "food calories" (Cal) per gram of fat, protein, and carbohydrate
How many grams of sodium formate, NaCHO2, must be added to 750.0mL of .250 M of formic acid, HCHO2, to obtain a buffer with pH of 5.5 ?
Phenol is a weak organic acid with Ka=1.0x10^-10. How many grams of phenol do you need to add to 500. mL of water to make a pH=5.75 solution
Calculate the degrees of unsaturation in a compound with the molecular formula C3H6 and draw two possible structures
A sample of nitrogen N2 has a volume of 300 mL at 34^C and a pressure of 745 mmHg. What is the Volume of Nitrogen at STP
Carbon tetrachloride (CCL4) is a useful solvent for both IR absorption and Raman Spectroscopy because it has few vibrational modes. The mostr intense Raman band occurs at 459.0 cm^-1.
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