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Draw a circuit diagram that subtracts two inputs signals and then amplifies the subtracted signal by a factor of 238.
Arrange the elements in order of decreasing ionization energy N MG O F Al
At 25°C, 1.0 g of caffeine is dissolve into 47 ml of water, 18 ml of dichloromethane, into 86 ml of benzene, or into 270 ml of diethyl ether. Which solvent would provide the largest extraction coefficient (KD). Briefly explain.
Calcium hydroxide and sulfuric acid can react to produce calcium bisulfate and water. When 0.0720 mol of sulfuric acid are reacted with 0.0240 mol of calcium hydroxide, how much calcium bisulfate, Ca(HSO4)2, will be produced?
Write the condensed structural formula of the ester formed when each of the following reacts with methanol. For example, the ester formed when propanoic acid reacts with methanol is CH3CH2COOCH3.
element mercury has a density of 13.6 g/ml. how many kg of mercury could occupy a volume of 500ml?
Calculate the concentration of a red dye solution with an absorbance of 0.617. If you have 5.78ml of the solution how many mg of red dye are found in the solution.
What exactly is an alkane and alkene? What is an ester?? does it relate to anything above?
Starting from 1-methylcyclopentene and using other reagents and number of steps that you need, synthesize the following compounds.
How would you distinguish between the following pairs by use of infrared spectroscopy only? Tell what absorption would be present or absent in each case. Write balanced equation for the oxidation of tolualdehyde
Calculate the pH of each of the following strong acid solutions: 5.00 mL of 1.00 M HCl diluted to 0.500 L d) a mixture formed by adding 50.0 mL of 0.020 M HCL to 150 mL of 0.010 M HI
moles of an ideal gas at 300K are expanded isothermally from an initial P of 4 atm to a final P of 1 atm. Calculate q, w, DeltaU, DeltaH for the process.
converting liquid water to solid ice releases 1.44 kcal/mol.
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