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compare the stabilities of each of the four conjugate bases that would be formed from the doprotonation of the four different OH groups and determine which of hte OH is most acidic. B compare the most stabel conjugate basse of this acid with that of acetic acid and suggest why the two acids have similar acidities.
The bond angles in H3O+ are:? a) slightly less than 109.5o b) exactly 109.5o c) slightly less than 90o d) exactly 90o
Each of 2 front tires in the car is filled with a different gas. One tire contains 116 g of helium, another tire has 160 g of unknown gas. How many times heavier is a molecule of the unknown gas than an atom of helium
Give the structural formula of the lewis-acid base complex which consists of one mole of phenylmagnesium bromide and two moles of diethyl ether.
Why is a mixture of alcohol and water used, rather than simply water itself, to saponify the fat or oil
"The chains of several cell membrane - bound proteins are known to wind back and forth through the cell membrane, such that some parts of the protein structure are extracellular, some parts are intracellular, and some parts lie within the cell mem..
A concentration cell contains electrodes made of the same metal and solutions containing the same ions but a different concentrations. Consider Zn electrode in 0.1 M ZnSO4 solution in one compartment and Zn electrode in 1.0 M ZnSO4 for another com..
One mole of an ideal monatomic gas initially at 300K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. Calculate change in E, q, w, and change in H and the final temp if the expansion is carried out according to each of ..
What is the alkalinity of the river, What concentration of acid, for example, HCl, would result in a pH of 7.5
Calculate the delta Hrxn for the following equation- 4KNO3(s) - - > 2K2O(s) + 2N2(g) + 5O2(g)
Which of the following will not have ionic bonds?
What would be the freezing point for a 0.35m solution of sodium bromide in water? (Hoff factor = 1.75)
A polyatomic ion containing an unknown element, E, has the chemical formula EO3 with -1 charge, and has 26 total electrons. Provide 3 possible identities of element E
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