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An experimental fuel is a mixture of 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 .737 g/mL respectively and that n--onane is an appropriate model hydrocarbon for gasoline
What mass of HCl is consumed by the reaction of 3.84 mol of magnesium? Answer in units of g.
How Many Grams of CaCl2 should be dissolved in 500 ml of water to make a .20 M solution of Calcium Chloride
The IR spectrum of HCN shows three absorption bands at 3312 cm-1, 2089cm-1, and 712 cm-1. Assuming HCN is linear, assign vibrations to the three absorption bands
If Kp = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium?
A balloon filled with helium gas has a volume of 620 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km, where the pressure is 0.5 atm. Assuming that the temperature has remained the same, what volume does the gas..
Rate of reaction for 8H2S +4O2 -> 8H2O + S8, if started with 21.35g of H2S and 15.36g of O2. What is the limiting reactant and how much S8 can be produced?
If 29.10 mL of a 0.145 M nitric acid is required to neutralize 50.00 mL of barium hydroxide solution, what is the molar concentration of the base?
which of the following exhibits dipole-dipole intermolecular forces: HBr, NBr3, SBr2, CBr4?
Calculate the wavelength of the light that is absorbed for the electron's transition from n = 5 to n = 6 in Be3+ ion. (ans in nm.)
Describe two types of regulation of the enzyme glutamine synthetase and explain why the regulation
Assume you can heat up or cool down the reaction flask as needed for the reaction to proceed with practical rates even if no temperature is indicated in the table
Imagine that 1.00 mol H2O(l) is placed in a piston with a constant external pressure Pext = 1 bar. The piston is then placed in a large thermal bath at a temperature of 270 K.
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