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Imagine you are driving at speed 60 mph through air filled with bugs at concentration 1 per cubic meter. The windshield is a flat panel of area 2 m^2, perpendicular to the ground. How many bugs will you collect in 5 min?
what effect would changing the concentration of para-toluenesulfonic acid have on the position of the equilibrium
for the reaction a b c the rate law is ka. if it takes 80.0 seconds for 70.0 of a 10.0 gram sample of a to be
given targets stock price was 50 per share at the end of january 2011 what was targets pe ratio as of that date? if the
you are considering two independent projects a a project b. the intitial cash outlay associated with project a is 50000
what are the units to be for a third order reaction? if time units are in
at 27 degrees celsius the vapor pressure of pure water is 23.76 mmhg and that of an aqueous solution of urea is 22.99
saturn issues 6.5 five-year bonds dated january 1 2011 with a 500000 par value. the bonds pay interest on june 30 and
question buffers are typically made by combining a weak acid with its salt or by combining a weak base with its salt.
the net income reported on the income statement for the current year was 720000. depreciation recoreded on store
a 1.341 g sample of nacl is combusted in a bomb calorimeter. the temperature rises 4.372 degree celsius and 1.53 x103 g
A certain microwave oven delivers 702 watts (J/s) of power to a coffee cup containing 67.5 g of water at 25°C. If the wavelength of microwaves in the oven is 9.75 cm
a baseball weighs 5.19oz. what is teh kinetic energy in joules of this baseball when it is thrown by a major-league pitcher at 95 mph?
If the propanoate ion comes from strontium propionate, Sr(C3H5O2)2 then how many grams of strontium propanoate are needed? Assume it is completely soluble.
Express the concentration of a .0560 M aqueous solution of flouride, F-, in mass percentage and in parts per million. Assume the density of the solution is 1.00g/mL.
A solution made by adding 105g of NaCl to 1 kg of water freezes at 20 degrees F (-6.7 degrees Celsius). Calculate the mass of CaCl2 that would lead to the same freezing point depression
sulfuric acid is a diprotic acid with the formula h2so4. phosphoric acid is a triprotic acid with the formula h3po4.
sulfuric acid acts as a catalyst for making esters. Write an equation showing the production of Isoamyl alcohol
A solution is prepared by mixing 50.0 ml of 0.10 MPb(No3)2 with 50.0 mL of 1.0 M KCl. Calculate the concentrations of PB+2 and Cl- at equilibrium(ksp=1.6 times 10^-5)
What type of hybridization (according to valence bond theory) does Fe exhibit in the complex ion, [Fe(H2O)4(Cl)2]+?
suppose that coal of density 1.5 gcm3 isnbsp pure carbon. it is in fact much more com-nbsp plicated but this is a
An aluminum atom has a diameter of 143 pm. How many aluminum atoms can be placed on a line 1.00 mm long
Draw the Lewis dot structure of phosgene. Include all 3 resonance forms by alternating the double bond among the 3 terminal atoms. Which resonance structure is best?
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