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How many miles could you drive for $3.90 if the gas mileage of your car is 14.0 km/liter of gasoline and the price of gasoline is $0.96/gal?
How do you write structural formulas for all the constitutionally isomeric compounds having the given molecular formula C3H9N,
using a sample of naphthalene c10h8 of 2.45 grams nbspis contaminated with a material noncombustible. nbspheat of
The volume of a cylinder in an auto is 0.44L. the cylinder is filled with a gasoline and air mixture at 1.0 atm and then is compressed to 0.073L prior to ignition.
what is the pressure of 170. ml of oxygen gas at 76.0degc and 170. mm hg if the conditions are adjusted to 450. ml and
Why do oxyacids become stronger when more oxygens are added. (as in the case of HNO2 being much weaker than HNO3)
Calculate mass of solid sodium benzoate (MW = 122.0 g/mole) required to mix with 100.0 mL of 1.0 M benzoic acid to prepare a pH 5 buffer. Ka of benzoic acid = 6.3E-5.
In an earlier problem we described the reaction of ammonia with oxygen to form nitrogen monoxide, NO.
Using a liquid sample of Na that has a molar heat of fusion of 2.06 kj/mol calculate the number of moles in a liquid sample of Na if sample releases 41.4 kj when it freezes?
how is the rate of consumption of O2 related to the rate of consumption of NH3 in the reaction 4NH3 + 5O2 -->4NO +6H2O?
a rechargeable battery is constructed based on a concentrationcell constructed of two agag half-cells. the volume of
a perfect gas undergoes isothermal compression which reduces its volume by 2.20 L. the final pressure and volume of the gas are 3.78x10^3 torr and 4.65 L, respectively
What is the concentration of H2SO4 present if 42.3 mL of the base is needed to reach the equivalence point?
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