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The following reaction occurs in a closed container A(g) + 2B(g) --> 2C(g). A reaction mixture initially contains 1.6 L of A and 1.8 L of B. Assuming that the volume and temperature remain constant, what is the percent change in pressure if the reaction goes to completion?
In the recrystallization procedure, an Erlenmeyer flask is commonly used during the step in which the crude is dissolved in the solvent of choice. Furthermore, if the recrystallization is slow typically the flask is closed with a cork.
Describe a way to differentiate between the two using a solution of Na2CO3 and write the correct balanced equation
Draw a flow chart showing the procedure and the observations to be expected at each step with each of the possible cations.
Why is toxicity diminished in other congeners where chlorines are removed from the 2,3,7,8 positions, or when chlorines are added to remaining positions on the rings?
Calculate the concentration of Ca2 at V = 1/2 Ve? Calculate the concentration of Ca2 at V = Ve.? Calculate the concentration of Ca2 at V = 1.1 Ve.?
Analysis of the products revealed two methylated sugars: 2,3,6-tri-O-methyl-D-glucose, 2,4-di-O-methyl-D-glucose and 2,3,4,6-tetra-O-methyl-D-glucose. The ratio of these sugars was 20:1:1. determine the structure of the polysaccharide?
draw the structure of a compound C5H8O that reacts with 2,4-dinitrophenylhydrazine, decolorizes bromine in dichloromethane, but does not give a positive iodoform test.
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 G Of H2S Are Used In The Above Reaction, What Will Be The Theoretical Yield Of Water In Grams?
If 125 cal of heat is applied to a 60.0 g piece of copper at 25.0 C, what will the final temperature be? The specific heat of copper is 0.0920 cal/(g.C}) .
What mass of precipitate forms when 124.5 mL of 0.660 M NaOH is added to 517 mL of a solution that contains 10.9 g aluminum sulfate per liter?
In less than a 150 words, explain why swirling or shaking a solution and its drying agent hastens the drying process.
Consider the flask apparatus in the following diagram, which contains 2.00 L of H2 at a pressure of 380. torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 300. torr after the stopcock is opened, determine the ini..
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