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A mixture of C3H8 and C2H2 has a mass of 2.4 g . It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.6 times as many moles of CO2 as of water. Find the mass of C2H2 in the original mixture
What is the energy of 100 photons of Light? And what are the steps?
What volume, in mL, of 0.1085 M H2SO4 would react exactly with 40.0 mL of a 0.995 M solution of KOH by the reaction: H2SO4 (aq) + 2 KOH (aq) -------> K2SO4 (aq) + 2H2O (l)
starting with the unbalanced equation for the combustion of ethanolc2h5ohlo2g---gtco2g?h2olwhat coefficient should be
A large scale polycondensation reaction of a diol and a diacid is performed at 200 C. At various intervals small samples are removed, introduced into tared conical flasks, quenched in a dri ice/acetone, weighed, dissolved and titrated with a stand..
A proposed mechanism for the gas phase reaction between nitrogen monoxide and oxygen is as follows:
In acidic aqueous solution, water can be reduced to H2 gas, but the H+ ions can be reduced more easity. What is the voltage of the hydrogen ion reduction half-reaction, under standard conditions
A researcher added 2.06g of the salt sodium nitrate, NaN0subscript 3, to a cylinder containing water. The cylinder diameter is 2 inches and the depth of the water in the cylinder is 4 inches. Determone the concentration of salt in the solution
1g of acetanilide was reacted with 0.45g of sodium bromate and 13mmol of HBr. What is the theoratical yield of the bromoacetanilide product
explain the anomalous behavior of water when it freezes. That is, why is there water axpansion upon solidification
Splitting patterns and integrations may be used more than once, or not at all, as needed. Likewise, some bins might remain blank. Note that peak heights are arbitrary and do not indicate proton integrations.
an iron nail weighing 5.10 g is allowed to react with oxygen according to the reaction below.4fe 3o2 rarr 2fe2o3a
Explain how many cups of coffee drunk consecutively would be lethal to 50% of a group of 150 pound humans. Presume one cup of strong coffee contains 103.8 grams of caffeine. The LD50 lethal dose of 50% value of caffeine is 130 mg per kilogram.
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