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State the mechanism of the polymerization between 1,12-dodecane diacid chloride as well as dodecamethylenediamine (DMDA)
The lithium atom absorbs light at a wavelength of 670nm (red end of the visible spectrum). Why does lithium absorb light at this wavelength but not, for example, 650nm or 690nm
When the reaction was complete, 900 milliliters of carbon dioxide gas were collected at 740 mmHg and 30 degrees C. How many moles of calcium carbonate were consumed in the reaction
Calculate the atom economy for each method for preparing 2,3-dibromo-3-phenylpropanioc acid.
Explain the boiling point of benzene is 81 degrees Celsius. Define what is the vapor pressure at the temperature
What is the time required to reduce the concentration of lactose in 2 L of milk from an initial value of 2.50 mg/mL to a final value of 1.5 mg/mL.
Calculate the grams of solute needed to prepare each of the following solutions. Express the answer using 2 sig figures.
The solubility of NaCl in water at 25 degrees Celsius is 38 g NaCl in 100 grams of water. A mixture was made using 33 g of NaCl and 100 g of waer at 25 degrees Celsius. Which term best describes the mixture?
Calculate the percentage of pyridine ( C5H5N) that forms pyridinium ion, C5H5NH+ , in a 0.10 M aqueous solution of pyridine (Kb = 1.7x10-9).
A quantity of 6.75g of SO2Cl2 was placed in a 2.0L flask. At the equilibrium there is 0.0345mole of SO2 present. Calculate Kc for the reaction: SO2Cl2 SO2 + Cl2
What is the uncertainty of the position of the bacterium. Express your answer numerically in meters.
Using the Maxwell-Boltzman function, calculate the fraction of Argon gas molecules with a speed of 305 m/s at 500 K. Please show all of your work and all of your derivations.
How many molecules of ethanol C2H5OH are present in 135 g of ethanol? The density of ethanol is 0.789 g/cm3?
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