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Presume a .250 L sample of vinegar had an acetic acid concentration of .850 M. Explain how many moles of acetic acid would be present in the solution?
a. .212 moles
b. 3.40 moles
c. 0.294 moles
d. None of the above
When 1,5-dibromopentane reacts with ammonia, among several products isolated is a water-soluble compound A that rapidly gives a precipitate of AgBr with acidic AgNO3 solution.
Describe a carbon nanotube and the physical properties of a nanotube compared to the other allotypes of carbon. What are the ares were it appears nanotubes will be used in the future.
A compound made of elements from group 2A ("M" below) and group 6A ("X" below) of the periodic table would be expected to have a formula
Calculate how many moles of sodium phosphate are needed to react completely with 4.6 mol of calcium nitrate( Ca(NO 3 ) 2 ) to form sodium nitrate (NaNO 3 ) and calcium phosphate?
a 2.00 l sample of air at -50 degreees c has a pressure of 700 torr. what will be the new pressure in torr if the temp
3.00 mole of Ne has a total pressure of 24.5 atm at 25 degrees C. How many moles of He are in the flask?
At -11.0 °C (a common temperature for household freezers), what is the maximum mass of sorbitol (C6H14O6) you can add to 2.50 kg of pure water and still have the solution freeze? Assume that sorbitol is a molecular solid and does not ionize when i..
Completely calculate the amount of heat that is produced when containers with 200g of acetylene and 600 g of oxygen are allowed to react
What is the system? What is the surrounding? In what direction does the heat flow? Is the process endothermic or exothermic?
A 75 mL solution of 0.030 M Ca(OH)2 is titrated with 0.035 M HCl. Calculate the pH of the mixture after 60 mL of HCl have been added.
Which of the following statement is true. and why. a. Exothermix processes decrease the enthrophy of the surroundings. b. Enthrophy is not temperature dependent
Select all of the correct statements about reaction quotients and equilibrium constants from the choices below. A reaction quotient equals the equilibrium constant at equilibrium. In a reacting mixture K is the ratio of product to reactant concent..
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