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According to NMR spectra rules, a carbon that is more substituted is more deshielded. For some reason I cannot understand this, because in my mind I see it has more shielding since there is more electron density around it. Please explain in detail if possible
The elctrolysis of an aqueous sodium chloride solution using inert electrodes produces gaseous chlorine at one elctrode. At the other electrode gaseous hydrogen is produced and the solution becomes basic around the elctrode.
A container of water is heated from 23.5C to 85.0C. This process requires 21,900 Joules of heat. Calculate the mass of the water. (c=4.184 J/g-C)
2N2H4 (aq) + H2SO4 (aq)--> 2 N2H5+So4^-2(aq) how many grams of hydrazine can be consumed by 250.ml of 0.225 M H2SO4?
Determine the final concentration if A 134 ml portion of that solution is diluted using 147 ml of H 2 O?
How many grams of dry NH4Cl need to be added to 2.50 L of a 0.700M solution of ammonia, NH3, to prepare a buffer solution that ahs a pH of 8.61?
Suggest why Po-210 and At-211 are the isotopes of those elements with the longest half-lives.
Allyl sulfide, C6H10S, is a compound that has the odor of garlic. How many sulfur atoms are in 23.2 g of C6H10S?
Calculate the minimum energy a photon must have to produce an electron hole pair in an extrinsic semiconductor of band gap 1.0 electron volts.
What is the osmotic pressure of a solution formed by dissolving 44.4mg of aspirin C9H8O4 in 0.355 L of water at 25 degress C.
Explain how chymotrypsin combine different modes of catalysis( acid/base and covalent chemistry; proximity effects and transition state binding/stabalization) to acheive the rate enhancement observed for enzyme catalyzed reactions.
What volume of solution should be dispensed from the buret to provide 5.633 mmol CO2-3 ? Answer in units of mL.
Calculate the mass of nitrogen dissolved at room temperature in an 78.0 L home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
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