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What is the concentration of KMnO4 when you mix 2 mL of .160 M KMnO4 with 10 mL of .250 M oxalic acid? Assuming that it took 120 s to observe the color change in the reaction, what is the rate of the reaction?
Draw all resonance structures for anisole to show why the methoxy group directs incoming electrophiles
Why do heavier atoms have a larger translational partition function than lighter atoms at the same temperature?
When 50 grams of iron absorbs 1.0 kJ of heat its temperature increases by forty degrees celsius. What is the molar heat capacity of iron?
Estimate the value of the equilibrium constant at 640 K for each of the following reactions. DELTA Hf and S^o for BrCl (g) is 14.6 kj/mol and 240.0 J/mol*k , respectively. 2NO2(g) double arrows N2O4 (g)
Calculate the mass defect in Fe-56 if the mass of an Fe-56 nucleus is 55.921 amu. The mass of a proton is 1.00728 amu and the mass of a neutron is 1.008665 amu. Answer 3.507 amu 1.056 amu 0.079 amu 0.564 amu 0.528 amu
What is the percent yield of a reaction in which 260. g phosphorus trichloride reacts with excess water to form aqueous phosphorus acid (H3PO3) and 127 g HCl?
The calculations are based on the principal components of meat being fat ( acetone soluble) and protein (acetone insoluble or fat-free meat in report sheet ). ... information, the calculations correctly calculate what quantity, % fat or % fat-free..
an ice bag containing 324 of ice at 0deg c was used to treat sore muscles. when the bag was removed the ice had melted
acetylene gas c2h2 is produced by adding water to calcium carbide cac2.cac2s 2 h2ol rarr c2h2g 2 caoh2aqdetermine how
Calculate how wide is the cloud of organisms at the time peak concentration takes place at the intake pipe.
in a 2 step synthesis where the 1st reaction has a 55 yield and the 2nd reaction has a 24 yield determine the overall
How long would it take for 1.50 mol of water at 100.0 degree's C to be converted completely into steam if heat were added at a constant rate of 22.0 J/s
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