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The formulas for ethane, ethene, and ethyne are C2H6, C2H4, and C2H2 respectively. Rank these compounds by the length of the carbon-carbon bond.Longest C-C Bond to Shortest C-C bond
C2H2
C2H6
C2H4
A sample of methane gas (CH4) at 18.8 oC is heated. The pressure increases from 1.78 atm to 2.46 atm, and the volume of the sample changes from 4.09 L to 1.89 L.
The accepted toxic dose of mercury is 300ug/day (micrograms per day). Dental offices sometimes contain as much as 180ug of mercury per cubic meter of air. If a nurse working in the office ingests
heptapeptide upon HCL hydrolysis produced equimolar amounts of ASP, CYS, GLU, LYS, PHE, TYR, VAL and ammonia. Exposure of the intact heptapeptide to FDNB followed by hydrolysis produced DNP-VAL
According to the valence bond theory, which of the following molecules involves sp2 hybridization of orbitals on the central atom?
Consider the titration of 100.0 mL of 0.100 M HNO3 by 0.200 M NaOH.Calculate the pH after 34.5 mL of NaOH has been added.At what volume (in mL) of NaOH added does the pH of the resulting solution equal 7.00.
A patient needs 2.80×10-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
210 mg Ca(OH)2 and 210 Al(OH)3. A 8.3×10^-2 M HCl, which is similar to stomach acid, is used to neutralize 5.0mL of liquid antacid. How many mililiters of HCl solution are needed to neutralize Ca(OH)2, then Al(OH)3?
Assume you carry out an experiment when the atmospheric pressure is 765mmHg and the temp in 24 degrees C. you collect Hydrogen gas and want to know the pressure of the gas
What is the final temperature of the water when equilibrium is reached? (Assume a density of 0.998 (g/mL) for water.)
Reaction of p-aminophenol with acetic anhydride to produce acetylaminophenol, In an experiment, acetylaminophenol is produced from the reaction of p-aminophenol with acetic anhydride.
calculate the volume of air at 35 degrees Celsius and .96 atmosphere that is needed to burn completely 12.51 grams of pentane
Given that the initial rate constant is 0.0190s^-1 at an initial temperature of 28 degrees celsius what would the rate constant be at a temperature of 150 degrees celsius for the same reaction descrabed in part A?
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