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Tetraethyl lead is a compound previously added to gasoline to improve the anti knocking properties and performance. Some leaded gasoline contains about a gram of lead in each gallon. At LCC 5,500 cars commute an average of 15 miles each in cars that get an average gas milage of 19 miles per gallon. How many grams of lead are released each time these cars drive? The answer was 4.342 kg and then 9.5724 lbs (when you multiply by 2.2046 lb/kg)
The question then asks. If it was all in a cube, what would the length of the side be? Use one-line dimesnsional analysis for each problem. The answer is supposed to go from lbs to inches.
Benzene is a organic solvent with the formula, The volume occupied by 1 micromole of liquid benzene and the volume occupied by 1 megamole of benzene as a vapor at STP (assume an ideal gas)
Which side of the reaction (reactants or products or neither) is favored structurally? (f) Calculate the pH of the system that will generate a cell potential, ?E, of + 0.157 V when the ratio [Fe-S(Fe2+)]/[Fe-S(Fe3+)] = 2.25, [CoQ] = 8.17 x 10-4M, ..
This compound undergoes catalytic hydrogenation to give 2,2,4-trimethylpentane.
Quinine (C20H24N2O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug.
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/t (in K ) is linear and has a slope of ?1.13×10^4 K.
find out the ΔH rxn for the given reaction as C 3 H 4 (g) + 2 H 2 (g) → C 3 H 8 (g)
The atomic mass of boron is 10.81 g/mol. The two naturally occuring isotopes are B-10 with a mass of 10.0129 amu and B-11 with a mass of 11.0093 amu. Determine the percent of naturally occuring B-10.
What mass of silver chloride can be produced from 1.70 L of a 0.177M solution of silver nitrate.
Calculate the thickness of a salt layer left after evaporating an ocean of 35%u2030 salinity and 4-km depth.
draw the molecule 1-(4-methoxyphenyl)-2-methylpropan-1-ol. number the carbons on the molecule and identify all the functional groups characterized by the molecules name.
A balloon has a volume of 3.00 liters and a temperature of 56.0 celcius.if the volume increases to 7.00 liters, what is the new temperature in celcius?
HClO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.087 M in NaClO?
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