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How many grams of commercial acetic acid (97% by mass) must be allowed to react with an excess of to produce 83 of acetyl chloride , if the reaction has a 81.2 yield?
In a particular biological reaction taking place in the body at 37°C, the change in enthalpy was --135 kJ mol--1 and the change in entropy was --136 J K--1 mol--1. (a) Calculate the change in Gibbs energy (b) Is the reaction spontaneous? (c) ..
Detremine the concentration of chromate solution - Potassium chromate has an absorbance value
If iron is oxidized to Fe2+ by a copper(II) sulfate solution, and 0.704 grams of iron and 12.6 mL of 0.581M copper(II) sulfate react to form as much product as possible,
determine the final volume of the gas If the gas ocupied 68mL, initally and determine the molarity of the solution
If 22.8 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
If 32.5 grams of CaO are dissolved in 212 grams of water, what is the concentration of the solution in percent by mass?
What is the percent hydrogen (H) by weight of a solution containing 53.5mL of CH3COCH3? The density of acetone is 0.788 g/mL.
How much heat is required to warm 12.0 g of ice, initially at -11.0 C, to steam at 113.0 C?
To what volume must 518 mL of 13 M Ca(OH)2 solution be diluted to make a 3 M Ca(OH)2 solution?
As the liquid vaporizes the plunger is pushed out. At equilibrium, the plunger reads 5.46 mL of gas. Atmospheric pressure is 740. mmHg. What is the approximate molar mass of the compound (in g/mol)?
A solution of I2 was standardized with ascorbic acid. Using a .1000 g sample of pure ascorbic acid, 25.32 mL of I2 were required to reach the starch end point. A. What is the molarity of the iodine solution? B. What is the titer of the iodine solu..
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
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