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Consider the reaction of aluminum hydroxide with hydrochloric acid. This is a neutralization reaction. For every mol of aluminum hydroxide, how many mols of water are created from this reaction?
1. zero
2. 1
3. 2
4. 3
5. 4
methyl trifluoroacetate is more reactive than methyl acetate, in nucleophilic acyl substitution reactions. Explain.
It is then restored to its original state by the extraction of heat at constant pressure. Calculate w for each step and for the total process. What values for w would you calculate if the cycle were traversed in the opposite direction?
The double helix of DNA is partially held together with hydrogen bonds between the complementary bases (A with T and G with C) and partially by base stacking between the aromatic bases.
How many grams of sodium azide are needed to fill a 30*30*25cm bag to a pressure of 1.30atm at 21.0C?2NaN3=3Na+2N2
What is the identity of the second major peak in the chromatogram and what is the third. What is your basis for these assignments
Calculate the vapor pressure of a solution prepared by dissolving 70.0 g of naphthalene, C10H8 (a nonvolatile nonelectrolyte), in 220.0 g of benzene, C6H6, at 20°C. Assume the solution is ideal. The vapor pressure of pure benzene is 74.6 torr at 2..
what mass of sucrose should be combined with 508 of water to make a solution with an osmotic pressure of 8.60 at 310 ?
The reaction of water and coal at a high temperature produces a mixture of hydrogen and carbon monoxide gases. This mixture is known as syntheses gas (or syngas). How many grams hydrogen gas can ne formed form the reaction 135g of water with exces..
A rock from Australia was found to contain 0.438 g of Pb-206 to every 1.00 g of U-238. Assuming that the rock did not contain any Pb-206 at the time of its formation how old is the rock
The fluorocarbon C2Cl3F3 has a normal boiling point of 47.6°C. The specific heats of and C2Cl3F3(g) are 0.91 J/gK and 0.67 J/gK, respectively. The heat of vaporization of the compound is 27.49 kJ/mol.
To find the pKa of X-281, you prepare a 0.087M test solution of X-281. The pH of the solution is determined to be 2.40. What is the pKa of X-281?
Potassium-40 decays to argon-40 with a half life of 1.27E^9 yr. what is the age of the sample that has a mass ratio of 40 Ar to 40K of 0.712
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