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Which class of materials, biological organisms, bio;ogical chemicals, or non-biological chemicals react most dramaticallyto the addition of acid or base? How does this relate to their complexity?
What holds solids or liquids and carries out reactions? what is used to mix or combine two or more substances? what it used to support an iron ring or clamp?
During the late 1800's, hard rock miners replaced candles with carbide lamps for work in mine shafts. The lamps worked by dripping water onto calcium carbide that generated acetylene gas (H2C2) that was burned
What observed rotation is expected when a 1.02 M solution of (R)-2-butanol is mixed with an equal volume of a 0.510 M solution of racemic 2-butanol
What mass of carbon dioxide is produced from the complete combustion of 7.00×10?3g of methane
flask apparatus which now contains 2.00 l h2 at a pressure of 360 torr and 1.00 l n2 at an unknown pressure. if the
How many grams of pure solid PbCl2 could be formed from the reaction of 5.176 g of lead with excess HCl?
Is the central carbon atom sp2- or sp-hybridization? What about the hybridization of the terminal carbons? What shape do you predict for allene?
Calculate the approximate amount of unknown acid to use such that it would require about 15 mL of 0.05M NaOH to reach the endpoint.
A compound called pyrene has the empirical formula C8H5 . When 4.04 g of pyrene is dissolved in 10.00 g of benzene, the boiling point of the solution is 85.1°C.
In an experiment you combine 4-methyl-2-pentene and water, in the lab you setup the experiment using a a heater, condenser and N2 gas and add the reagent H2SO4
Draw two equivalent resonance forms for nitric acid and three for nitrate ion. Rank the three types of nitrogen-oxygen bonds in order of length.
an automobile gasoline tank holds 27kg of gasoline when the gasoline burns 85kg of oxygen is consumed and carbon
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