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the first step in industrial nitric acid production is the catalyzed oxidation of ammonia without a catalyst a
the four tires of an automobile are inflated to a gauge pressure of 17 105 pa each tire has an area of 0021 m2 in
a parallel-plate capacitor has fixed charges q and -q the seperation of the plates is then doubled by what factor does
at a particular temperature the equilibrium constant for the reaction h2g f2g 2hfg is k 640 a reaction mixture in a
a football is kicked at ground level with a speed of 400 ms at an angle of 350deg to the horizontal how much later does
classify na2c2h3o and cuno32 as weak strong or non-electrolyte in aqueous solution please
on a frozen pond a 7 kg sled is given a kick that imparts to it an initial speed of v0 23 ms the coefficient of
a crate of mass 125 kg is pulled up a rough incline with an initial speed of 150 ms the pulling force is 100 n parallel
express the concentration of a 00790 m aqueous solution of fluoride f- in mass percentage and in parts per million
which condition characterizes the stoichiometric point of any acidbase titration a equivalent molar amounts of acid and
a mechanic pushes a 28 multiplied by 103 kg car from rest to a speed of v doing 5400 j of work in the process during
what is the mole fraction of solute and the molal concentration for an aqueous solution that is 160 naoh by
a flight attendant pulls her 70 n flight bag a distance of 378 m along a level airport floor at a constant velocity the
a solution is made by mixing equal masses of methanol ch4o and ethanol c2h6o determine the mole fraction of each
a solution of h2so4aq with a molal concentration of 358 m has a density of 1200 gml what is the molar concentration of
initially a 200-kg mass is whirling at the end of a string in a circular path of radius 0750 m on a horizontal
an 765 kg fullback moving east with a speed of 57 ms is tackled by a 890 kg opponent running west at 274 ms and the
calculate the conditional formation constant kf for the formation of an edta complex with copper ii at a ph of 500 if
1 naim suleimanoglu of turkey has a mass of 62 kg 136 lbs yet he can lift 3 times his mass this feat has earned him the
a 195 g sample of potassium bicarbonate is decomposed by heating if the resulting potassium carbonate weighs 154 g and
1 how much gravitational potential energy did king kong have at the top of the empire state building king kong had a
1 how much kinetic energy did 939-kg usain bolt have when he broke the olympic 100-m dash record with a speed of 1025
a 1200ml buffer solution is 0105m in nh3 and 0135m in nh4br what amount of hcl could this buffer neutralize before it
a 62 n force acts at 30 degrees and a second 62 n force acts at 60 degrees what is the magnitude and direction of the
which aqueous solution will have the highest total number of moles of ions in the solution the answer is 100ml 3m