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Compare the stuctures of molecular substances with those of giant molecular substance
What is the purpose of washing the alkyl halide with aqueous sodium bicarbonate (NaHCO3)? Write the reactions that are expected to occur when the sodium bicarbonate is added to the test tube. Why is it important to add the sodium bicarbonate slowl..
The managing director of a well-known company on Wall Street thrives on a diet of fruit jam, bread, pasta, and coffee. She exercises intermittently.
As a separation and detection method, would TLC or paper chromatography yield better results in the analysis of each of the following pairs of compounds
A) Determine the [OH-] of a 0.16 M ammonia solution. B) Determine the pH of a 0.16 M ammonia solution. C) Determine the pOH of a 0.16 M ammonia solution.
Nitrogen and hydrogen gases react to form ammonia gas. N2(g) + 3 H2(g) 2 NH3(g) At a certain temperature and pressure 1.4 L of N2 reacts with 4.2 L of H2. If all the N2 and H2 are consumed, what volume of NH3, at the same temperature and pressure,..
If a bottle of nail polish remover contains 176 of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 .
7.2 liters of an ideal gas are contained at 4.0 atm and 27 °C. Using the ideal gas law, calculate how many moles of this gas are present.
What is the vapor pressure of isopropanol at 200 C if its molar volume calculated by a first order virial expression
What are its values of DeltaG of vaporizatoin and DeltaS of vaporization at 61 degrees Celsius?
degress C in boling water and then dropped the hot coins into 43.0 g of water at a temperature of 15.5 C in a coffee cup calorimeter. The final temperature of the water and the coins was 21.5 C.
a solution of ethanol c2h5oh in water is prepared by dissolving 63.0 ml of ethanol density 0.79 gcm3 in enough water
The dehydration of trans-2-methylcyclopentanol with H2SO4 will give what major product? a) cyclopentene b) 1-methylcyclopentene c) 2-methylcyclopentene d) 3-methylcyclopentene
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