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Question- Write the overall reaction of 0.5 M diamine in 0.5 M NaOH and 0.25 M diacid chloride in cyclohexane. This was used in a polymmerization experiment to make nylon. NaOH is important to the reaction and writing out the reaction will help to explain why.
Solve the above problem and provide steps with explanation
Calculate the work done in joules when 2.5 mol of H2O vaporizes at a constant pressure of 1.0 atm and at a temperature of 25 degrees c. Assume the volume of liquid H2O is negligible compared to that of vapor. Given 1 L atm = 101.3
The reaction of combustion of ethanol is this: C2H5OH(g) +3O2(g) ---> 2CO2(g) + 3H2O (g) Los regalitos son ( g ) Lis 4 tienen(g ) A) calculate delta H of the reaction in kj/mol
Silicon, which occurs in nature as , is the material from which most computer chips are made. If is heated until it melts into a liquid, it reacts with solid carbon to form liquid silicon and carbon monoxide gas.
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq)
find out the cation radii- MgSe (545pm), CaSe (591 pm), SrSe (623pm), BaSe (662 pm). It is known that the Se2- ions are in contact in MgSe.
An excited ion emits radiation at a wavelength of 647.0 nm in the visible range of the spectrum. Compute the frequency of a photon of the radiation. Explain what would be the energy of one photon of the radiation
The wavelength of maximum absorbance is solvent dependent. in water, the wavelength of maximum absorbance is 453 nm.
Octane or C8H18 (l) is a component of gasoline. If 35.0 mol O2 (g) in the air is used to burn a sample of octane completely. How many grams of carbon dioxide gas are produced
which of the following aqueous solutions will freeze at the lowest temperature? a. 0.10 m KCl, b. 0.20 m C6H12O6 (glucose), c. 0.050 m AlCl3, d. 0.15 m SrBr2, e. all of the above freeze at the same temperature
question a mixture of 0.200 mol of no2 and 0.200 mol of co is placed in a 1.00l flask and given time to equilibrate.
Question- Why is the pH of a given acetic acid buffer greater than that of the phosphoric acid buffer with the same concentration ratio?Illustrate the solution in detail
A reverse osmosis unit is used to obtain drinkable water from a source that contains 0.570 g NaCl per liter. What is the minimum pressure (in torr) that must be applied across the semipermeable membrane to obtain water. Assume room temperature or ..
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