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Most gases are stored and transported at high pressures. A common laboratory cylinder of methane has a volume of 49.0 L and is filled to a pressure of 155 atm. 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?
How much will the pH change? The pKa of acetic acid is 4.760.
Write the reaction for the hydrolysis of propionyl propionate (an ester) -- that is, the reaction of this ester with water, yielding a carboxylic acid and an alcohol.
The design calls for reheating the liquid after the temperature has dropped to seventy degree Celsius the determine about how many stags and how many heaters are required for this process?
Calculate q,w,delta U and Delta H for each segment and for the cycle in which the direction of each process is reversed. In the graph all it says is the P initial =16.6 bar and Vinitial=1.00L and P final=16.6 bar and V final =25L
Direct reaction of sodium metal with O2(g) leads to sodium peroxide, Na2O2, which contains a peroxide complex anion and is diamagnetic. Direct reaction of potassium metal with O2(g) leads to potassium superoxide, KO2, which contains a superoxide c..
Predict the products likely to be formed via the anti- addition of Br2/acetic acid to trans- cinnamic acid. • What is the predicted m.p. of the brominated product(s) you prepare via this method
A skyscraper in Pittsburg, built in the early 1970's, is supported by water filled columns. Potassium carbonate was added to the water to precent freezing during cold weather. If the solution is 40.0% K2CO3 by mass, what is the predicted freezing ..
A voltaic cell is prepared in which aluminum metal is oxidized to Al3+, and nickel(II) is reduced to nickel metal. Which of the following represents the correctly balanced equation for this reaction
The value of deltaH for the reaction CH3OH (l)---->CO (g) +2H2 (g) is +128.1 kJ? How many kJ of heat are consumed when 5.10 g of CO (g) is formed as shown in the equation
Write a balanced equation for the acid-base reaction between m-nitroaniline and HCl. Using a pKa table, predict which way the equilibrium is favored.
Consider the reaction when aqueous solutions of barium acetate and chromium(III) iodide are combined. The net ionic equation for this reaction is
The following cell was used for the determination of pCrO4. SCE||CrO4(xM), AgCrO4|Ag. Calculate pCrO4 if the cell potential is -.386V
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