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Why do none of the substrates given (toulene, o-xylene, m-xylene, p-xylene, p-cymene, ethlybenzene, anisole) as choices for this experiment include any with meta-directing effects?
The electron in the n=1 state of a hydrogen atom absorbs a photon with an energy of 2.12x10^-18 J. What is the final state of the electron
According to the general trend in electron affinities, which group (or family) of elements tend to form the most stable anions
calculate the number of kilograms of helium needed to inflate a balloon to a volume of 100000 l at an atmospheric
Could you tell me what is the purpose of this reaction (Michael and aldol condensation reactions), and the stepwise mechanism of the reaction.
To what volume should you dilute 124 mL of an 7.95 M CuCl2 solution so that 49.5 mL of the diluted solution contains 5.8 g CuCl2
a 4 g sample of the hydrated crystal baoh2bull chih2o is heated until all the water is removed. the remaining solid
What are the concentrations of HSO4-, SO42-, and H+ in a 0.20 M KHSO4 solution? (Hint H2SO4 is a strong acid; Ka for HSO4- = 1.3x10-2)
Lethality of Carbon Monoxide, Sulfur Dioxide and TNT, Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning
a solution is made by dissolving 15.5 grams of glucose c6h12o6 in 245 grams of water. what is the freezing-point
A power plant burns 10^4 kg hr-1 of coal containing 2.5% sulfur. The effluent is released from a single stack of height 70 m. The plume rise is normally about 30 m.
A 125.0g sample of copper is initially at 25.0oC. It absorbs 12.50 kJ heat from its surroundings. What is the final temperature to the nearest tenth degree? Specific heat copper = 0.3874 J/goC.
A buffer, consisting of H2PO4- and HPO42-, helps control the pH of physiological fluids. Many carbonated soft drinks also use this buffer system.
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