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State the reaction and the corresponding Kb equilibrium expression for each of the following substances acting as a base in water. Utilize the lowest possible coefficients. Comprise states-of-matter under SATP conditions in your answer.(a) NH3
Assume that you started with only 1.80 g of sodium benzoate. Assuming that the reaction proceeds to form benzoic acid, what would your theoretical yield be? use two decimal places
sketch the following molecules3-cyclohexenone 4-ethyl 225-trimethyl 3-hexanone ethyl butyrate pentanoic acid 2-chloro
A mixture of gases conssists of CH4 at a partial pressure of 143 mm Hg, N2 at a partial pressure of 469 mm Hg, and O2 at a partial pressure of 563 mm Hg
Calculate the final temperature of 32 mL of ethanol initially at 11 degrees C upon absorption of 562 J of heat.
Using the average initial pH of your acetic acid solutions, and the average molarity of those solutions, calculate a value of Ka for acetic acid. when initial pH is 2.63 and average molarity is 0.06475.
1 which of the following is evidence for a chemical reaction?a heating purple iodine crystals produces a purple gas.b
because anhydrous sodium sulfate is a relatively inefficient drying agent a student uses twice as much of this salt as
A mixture of aluminum and zinc weighing 1.67g was completely dissolved in acid to give 1.69L of hydrogen gas measure at STP. What is the weight of aluminum in the original mixture
Write the complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone
When a 2.00 g sample of RbBr is dissolved in a calorimeter that has a total heat capacity 0.6306 kJ*K^-1, the temperature decreases by 0.420 K. Calculate the molar heat of solution of RbBr.
Suppose someone leaves the tank open and all the CH4 is released into the laboratory. What volume would the methane occupy if the pressure in the lab is 1.00 atm
The solution contains twice as many moles of dissolved NaCl as dissolved mgso4, and three times as many moles of LiCl as NaCl. These are the only solutes. what masses of NaCl, MgSO4, and LiCl are contained in 7500 kg of this solution
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