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Why is substitution disfavored after carbocation formation?
A gas has a volume of 10 L at 0 degrees C. What is the final temperature of the gas in C if its volume increases to 27 L? Assume that amount of the gas and its pressure remain unchanged.
Calculate the wavelength of the light emitted when the electron in a hydrogen atom falls from the n=4 shell to the n=3 shell. [1eV=1.6023*10^-19 J] report answer in meter and in nanometers
a 150 ml aqueous solution containing .18m of a weak acid wasextracted with 50 ml of ether organic phase. after
Water and soluable in cyclohexane and alcohol, the unknown was found to have a boiling point of 58 degree Celsius at 670mm Hg. What is the substance
Silver has only two naturally occurring isotopes 107ag with a mass of 106.90509 amu and an abundance of 51.84% and 109 ag with a mass of 108.9047 amu. calculate the atomic mass of silver.
Thyroxine is an important hormone that controls the rate of metabolism in the body, and it can be isolated from the thyroid gland. When 0.455 g of thyroxine is dissolved in 10.0 g of benzene, the freezing point of the solution is 5.2 °C. What is t..
Calculate the pH of a solution made by dissolving 2.89 g of sodium fluoride and 17.1 mL of 0.309 M hydrofluoric acid in enough water to make 177 mL of solution.
benzene and toluene for nearly ideal solutions. the boiling point of pure benzene is 80.1oc. calculate the chemical
A chemist adds 295.0mL of a 0.071M potassium permanganate (KMnO4) solution to a reaction flask. Calculate the mass in milligrams of potassium permanganate the chemist added to the flask.
when a particular marble is dropped into a beaker of water it sinks to the bottom. which is the best explanation? a.
Consider a glass of 215 mL of water at 28°C. Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved.
Explain is the maximum amount in moles of NH3 that can be produced by the reaction of 2.5 moles of N2 with 3 moles of H2 via the equaton below.
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