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In an aqueous solution of a weak acid, HA, the assumption is often made that [HA]equilibrium = [HA]initial. This approximation is reasonable if the initial concentration of the acid is sufficiently large compared to Ka.
What multiple of Ka must the initial concentration of a weak acid exceed, for the initial concentration and the equilibrium concentration to be within 9.40 percent of each other?
Greenhouse gases generated from human activity absorb infrared radiation from the Earth and keep it from being dispersed outside our atmosphere. This is a major cause of global warming
According to the following reaction, how many grams of carbon tetrachloride are required for the complete reaction of 21.1 grams of methane (CH4)?
Suppose that a liquid is 11 times denser than water If you were to sip this liquid at sea level using a straw what would be the maximum length of the straw
What organisms or body systems or organs are involved, interventions, other pertinent biological aspects. You can revisit this as you go along, but turn in an initial look at the scope of your topic. (Never forget to cite sources, but don't copy ..
The two objects have the same mass. If they are to have the same total kinetic energy, what should the ratio of the cylinder's angular speed to the spherical shell's angular speed be?
Conservatively, volumes of all glassware are expressed at 20 degrees C. The expansion coefficient of glass is 0.0025% per degree Celsius. If a flask if sound by calibration to contain 200.09 ml at 20 degrees C, explain what is the volume of the fl..
Which of the following is false concerning the Lewis Theory?
The 45.0 kg mass is now dropped from a height of 1.50 m into a cup containing 125 g of water. The water is initially at 20.0oC. Explain what will be the final temperature of the water. Specific heat of water: 4.184 J g-1 deg-1
Calculate the work of expansion of the gas in joules (1 J = 9.87 10-3 atm·L). Assume all the energy is used to do work.
Draw the major E2 reaction product formed when trans-1-chloro-2-ethylcyclohexane reacts with hydroxide ion in DMSO.
What would happened if HCl was accidentally used instead of Na2CO3 to extract caffeine from tea bags? Would you be able to fix your mistake. How
A solution contains 11.00 g of unknown compound dissolved in 50.0 mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -6.59 *C. The mass percent composition of the compound is 38.70% C , 9.74% H , and the ..
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