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What are the approximate bond angles at the carbon atom of all alcohols except phenols?
A. 90°B. 109°C. 120°D. 180°
Calculate the equilibrium partial pressure of bromine gas. No approximations can be made because the equilibrium constant is too large. I2 (g) + Br2 (g) 2IBr (g)
When each of the following pairs of aqueous solutions is mixed, does a precipitation reaction occur? If so, write the formula and name of the precipitate. (Type "NONE" in the blanks if there is no precipitation reaction.)
A 25.35g piece of iron and a 27.40g piece of gold at 100C were dropped into 920ml of water at 19.45C. The molar heat capacities of iron and gold are 25.19 J/(mol C) and 25.41 J/(mol C). What is the final temperature of the water and pieces of meta..
How much energy would be required to melt 48 g of HCl at its melting point of -110.8C? Hfus for HCl is 14.2 cal/g and Hvap for HCl is 98.7 cal/g.
If 36.0 mL of 0.150 M HCl(aq) is needed to neutralize all the NH3(g) from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
The tetrahedral intermediate in the Fischer esterification of formic acid (HCO2H) with 1-butanol has the structure
The dipole moment and the normal boiling point of acetaldehyde (CH3CHO) are 2.7 D and 293 K, respectively. The dipole moment and the normal boiling point of n-octane (C8H18) are 0 D and 298 K.
that forms when gaseous nitrogen dioxide pollutant reacts with gaseous oxygen and liquid water to form aqueous nitric acid. Write a balanced chemical equation for this reaction.
Explain why rotation about N-Ca and Ca-C bonds is solely responsible for the secondary structure of a polypeptide
Give the structure of the phosphorus ylide and carbonyl compound you might use to prepare the following alkenes
Ethyl acetate can be prepared from ethanol as the only organic starting material.
2 liquids, A and B, have the same molecular weight. Samples of each are placed on temperature probes and allowed to evaporate. After a period of time Liquid A had a change in temp
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