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According to the following reaction, how many moles of ethane (C2H6) will be formed upon the complete reaction of 28.8 grams of hydrogen gas with excess ethylene (C2H4)?
hydrogen (g) + ethylene (C2H4) (g)------> ethane (C2H6) (g)
The car has a city mileage of 20 miles per gallon. If the car is replaced with the new car with city mileage off 32 miles per gallon and the average cost of gasoline is $3.62 per gallon, estimate the amount of fuel, energy, and money conserved wit..
A tablet containing 500.0 mg of aspirin (acetylsalicylic acid or HC9H7O4) was dissolved in enough water to make 100 mL of solution. Given that Ka = 3.0 × 10-4 for aspirin, what is the pH of the solution
Which of the following correctly shows intrachain hydrogen bonding (???) in an alpha-helix? A. -NH HN- B. -C=O HC- C. -C=O HN- D. -C=O O=C- E. -CH HC-
NaNO3(s) + NaNH2(s) yields NaN3(s) + NaOH(s) + NH3(g) What mass of NANO3 and NANH2 must be used to prepare 15.0 g of sodium azide, assuming that the reaction runs with an 82.1% yield
Confirm whether an acid base reaction occurred stoichiometrically. The concentration of concentrated nitric acid is 15.8 M. For full credit show all calculations.
The compound isoeugenol is composed of 73.20%C, 7.38%H and 19.42%O. What is the empirical formula of isoeugonol
What are the mass and mole fraction of all components in the mixture? What is the average molecular weight of the mixture?
illustrate the reaction that would form a carboxylate ion from 2-Methylbutanoic acid. Write the IUPAC name for the ion that forms. Can you please show the condensed format versus the line angle?
A 0.140-mole quantity of CoCl2 is added to a liter of 1.20M NH3 solution. What is the concentration of Co^2+ ions at equilibrium. The formation constant of Co(NH3)6^3+ is 5.0*10^31.
Assuming that the atoms are spheres in contact along the face diagonal, what is the radius of a Ar atom (in Angstroms)? An angstrom = 10-10 m or 10-8 cm.
Calculate the final temperature of the helium inside the cylinder. Assume helium to be an ideal gas with Cp=(5/2)R.
Given 7.80 of butanoic acid and excess ethanol, how many grams of ethyl butyrate would be synthesized, assuming a complete 100 yield
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