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A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured at 16.0°C is 2.15atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
Pathological consequences might ensue if various components of the regulation of signal transduction are altered inappropriately. Choose two examples in which G-protein
Find an example of a natural product or drug that has been prepared using a Diels-Alder reaction. Show the complete synthesis of the drug.
Determine the calorimeter constant of the calorimeter in which the combustion of 0.600 g of sucrose raises the temp by 1.96 C
Calculate the pH of CO2-saturated water at 25 degrees C, given that the CO2 concentration in air is 366 and that for carbon dioxide the Henry's Law constant KH=3.4E-2 mol L-1 atm-1 at 25 degrees C.
A hot tub is filled with 480 gallons of water, which has a density of 1.0 {rm g/mL}. What is the volume of water in the tub, in liters?
A typical absorption due to stretching of the C=O bond is 1750 cm-1. (5.25 x 10 ^13 s-1). What is the force constant for the stretching vibration?
Calculate pFe2 at each of the following points in the titration of 25.00 mL of 0.02138 M Fe2 by 0.03645 M EDTA at a 7.00 pH: a) 11.00 ml pFe2+ =? b) the equivalence point Ve pFe2+=? c) 20.00 ml pFe2+=
Cyclopropane (C3H6) reacts to form propene (C3H6) in the gas phase. The reaction is first order in cylclopropane and has a rate constant of 5.87*10^-4/s at 485 C.
Four wavelengths of light are each quantized to excite electrons of a given atom to a particular higher energy shell. Assign wavelengths of 496nm, 356nm, 701nm, and 591nm
The concentration fo certain sodium hydroxide solution was determined phthalate(abbreviated as KHP). KHP is an acid with one acidic hydrogen and a molar mass of 204.22 g/mol.
how much diesel fuel does it take to charge a mobile phone? one gallon of diesel fuel contains about 1.44e8 j of
What is the molarity of a solution prepared by adding 29.3 g of HNO3 to enough water to make 2 L of solution
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