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A 3.00 L flask initially contains 1.50 mol of gas A and 0.450 mol of gas B. Gas A decomposes according to:
3A<-->2B+C deltaH= 90 kJ mol-1 and the equilibrium concentration of gas C is 0.100 mol/L. What is the equilibrium concentration of gas A and B? What is the equilibrium constant K? If the temperature of the flask was increased what would happen to the equilibrium concentration of gas A?
A gas expands and does P-V work on the surroundings equal to 325 J. At the same time, it absorbs 161 J of heat from the surroundings. Calculate the change in energy of the gas.
Find the pH at the equivalence point(s) and the volume (mL) of 0.125M HCL needed to reach the point(s) in titrations
1. a solution of vinegar has a ph of 2.85. calculate thehydronium ion concentratation and the hydroxide ion
A researcher studying the nutritional value of a new candy places a 4.20-gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.71 °C
The osmotic pressure,pie , of a solution of glucose is 83.1atm . Find the molarity of the solution at 298k .
Problem- Why use glacial acetic acid in the bromination of E-stilbene to give the vicinal dihalide 1R, 2S-meso-stilbenedibromide. What is the purpose of using the acetic acid
Write the rate law for the clock reaction (equation 1) using variable for exponents.
The hydrochloric acid has a density of 1.18 g/ml and contains 35.0% HCl by mass. What is the percent of the metallic zinc in the original sample. Assume that the impurity in the zinc does not affect the HCl.
calculate the work done in joules when 50.4 g tin is dissolved in excess acid at 1.04 atm and 20 degrees celsius.
a sample of 40.0 ml of .1 m acetic acid is titrated with .150 m naoh ka 1.8 x 10-5 what volume of naoh is used in the
A 30.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 150.0 mL. The concentration of the final solution is 0.00307 M. Calculate the concentration of the original solution.
Add a "Principles Applied" section to your paper. Write 1000 words on how you see the lean principles applied in your current organization. If you do not see the principles applied, write where and how they could be applied in your current context..
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