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Using the weak acid that you were assigned in this experiment and .100M NaOh, describe exactly (show calculations) how you would prepare 100.0mL of a buffer at pH = 5.50
weak acid = Potassium Hydrogen Phthalate
Calculate the heat required to raise the temperature of 1.5 L of a liquid with a density 0.75 g/mL and a specific heat of 2.2 J/g/K
Ethanol CH3CH2OH(l) can be formed from a reaction between ethylene gas C2H4(g) and water vapor. It is unclear if the C-C in ethylene gas is a single, double, or triple bond.
solutions of CaCl2 and urea at 25 C are .961 and .398 atm, respectively. Calculate the Vant Hoff factor for the CaCl solution?
15.0 moles of gas are in a 6.00 L tank at 24.1 degrees C. Calculate the difference in pressure between methane and an ideal gas under these conditions. The van der Waals constantsfor methane are a = 2.300 L^2 atm/ mol^2 and b = 0.0430 L/mol
calculate avaerage rate of decomposition of H2O2 between 0 & 4.32 x 10^4 s.
Why is sulfuric acid, rather than hydrochloric acid, used to catalyze the dehydration of alcohols?2. A sample of 150 mg of an organic compound is dissolved in 7.5 ml of water. The solution is paced in a 20-cm polarimeter tube and the rotation meas..
What is the Lewis structure, VSEPR type, molecular geometry, and bond angle for each of the following: NaClO2, KICl4,
Use the following data, as appropriate to estimate the molarity ofa saturated aqueous solution of Sr(IO3)2.
Now you find yourself on an airplane headed for Israel to visit the Dead Sea, which is below sea level. You have always wanted to visit there and now is your chance. What has happened to the atmospheric pressure?
what is the pressure in torr that a 44.0g sample of carbon dioxide gas will excert at a temperature of 46.2 degrees celsuis when it occupies a volume of 5 L.
A hypothetical element Z has two stable isotopes: Z-46 = 46.046 u 64.08% Z-51 = 50.826 u 35.92% What is the average atom weight of the element?
A white solid remains in centrifuge tube after acetone extraction-it fizzes when hydrochloric acid is added suggesting sodium carbonate was formed- How did it form? Write a balanced equation for the formation?
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