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Describe and explain the possible effect on your results of the following experimental errors or variations. a) you reaction mixture had an oily later on top when you added the 3 M sulfuric acid. b) because of a lab reading error by a lab assistant the bottle labeled salicylic acid from benzene actually contained acetylsalicylic acid (aspirin).
the following amino acids are placed in an electric field between positive and negative poles. which will migrate the fastest toward the positive end of the electric field
the MWP for a tank is 207.0 bar at 20 degrees C. If the tank is filled at 200.0 bar at 20 degrees C, what is the maximum pressure the tank achieves if left in the sun on a boat, if the tank temperature reaches 35.0 degrees C?
Find the pH of a solution prepared by dissolving all of the following compounds in one beaker and diluting to a volume of 1.00 L: 0.180 moles acetic acid (pKa=4.75), 0.180 mole sodium acetate
Assume that no heat is lost to the surroundings or to the coffee cup itself. Assume that the mass of the solution is equal to the mass of the water.
Octane has a density of 0.692 g/mL at 20°C. How many grams of O2 are required to burn 1.00 gal of C8H18?
The combustion of gasoline produces carbon dioxide and water. Assume gasoline to be pure octane and calculate the mass (in ) of carbon dioxide that is added to the atmosphere per 1.7 of octane burned
Propose a synthesis of ethyl isopropyl ether from isopropyl alcohol using the Williamson ether synthesis.
The wave function px and dxz are linear combinations of the spherical harmonic functions, which are eigenfunctions of the operators H, I^2, and Iz for rotation in 3D. The combinations have been chosen to yield real functions
Identify each of the following as saturated, monounsaturated, polyunsaturated, omega-3, or omega-6 fatty acids.
Bulb A with volume of 500 mL initially contains N2 at 0.7 atm pressure and 25?C. Bulb B, with volume of 800 mL initially contains O2 at 0.5 atm pressure and 0?
for which Kp=2.00 at 20 C. A mixture of NO(g) at a partial pressure of 1.50 atm and NO2(g) at a partial pressure of 0.50 atm is allowed to come to equilibrium in a sealed container maintained at 20 C.
how many liters of 13.5 molar HCl stock solution are needed to make 10.5 liters of a 1.8 molar HCl solution?
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