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An experimental fuel is 87% ethanol and 13% gasoline by volume. Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount from pure gasoline. assume the densities of ethanol and gasoline are .789 and .783 g/mL, respectively, and that n-onane is an appropriate model of hydrocarbon.
a) heat from experimental fuelb) heat from gasoline
Calculate the percent yield for an experiment in which 5.50 g of SOCl2 was obtained in a reaction of 5.80 g of SO2 with excess PCl5
The natural abundance of c-14 in all living things is 1ppt. The half life of c-14 is 5,730 year (+/- 40 years). How old is something (+/-) that is found to have
Determine the magnesium content (in ppm) of a 100.00 mL sample of drinking water if the following data were obtained. Titrant is 0.0297 M EDTA, 13.71 mL
The density of ethanol is 0.789 g/cm3. What is the density of the object?
The atomic orbitals of two iodine atoms combine to form the diatomic molecule. Use the periodic table to determine the atomic orbitals that overlap to form the molecule and the symbol of the noble gas that has the same electron configuration as th..
What is the concentration of a solution (in M) which contains 59.3 g of sucrose (C12H22O11) in 673 mL of solution
the enthalpy of vaporization of ethanol i 43.5 kj/mole at its normal boiling point of 352 k. using avalue of the molar heat capacity of liquid ethanol of 111.46 j/k/mol
how many liters of fluoridated drinking water would a 70 kg person have to consume in one day to reach this toxic level? How many kg of sodium floride would be needed to treat a 7.49x10^6 -gal reservior?
Assess the feasibility of the reaction: N2H4 (g) + 2OF2 (g) ® N2F4 (g) + 2H2O (g) by determining each of the following quantities of this reaction at 25 oC.
A reaction 3A2+ + 2B --> 3A + 2B3+ is used to make a battery. The standard Gibbs free energy change for the given reaction is -690 kJ. What is the standard potential (E ) for the battery.
One major variation of the Wittig reaction is the Wittig-Horner reaction. The Wittig-Horner reaction uses triethylphosphate P(OEt)3 instead of PPh3
A saturated solution of unknown metal hydroxide M(OH)2 has a measured pH of 8.91. Determine the value of Ksp for the compound.
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