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An electrochemical cell has an Eocell of 1.70 V and transfers 2 moles of electrons. The Faraday constant is 96,485 C/mol e-. What is the value of delta G?
Calculate the standard enthalpy of the reaction, Delta(H) rxn}, for the thermite reaction: 2Al(s) + Fe2O3(s) ----> 2Fe(s) + Al2O3(s) Elements in their standard state have an enthalpy of formation value of zero
4-chloro-1,4-dimethylhexanol is treated with heat, please show products
there is no measurable difference between final and initial pH - that is why it is called a buffer E. final pH is 0.16 pH units lower than original pH
If 85.0 of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m. ?
What percentage of the 131I released by the explosion would have remained by that time? Use the first order kinetic equation: [A] = [A]o e-kt
what is the approximate value of the equilibrium constant Kn for the neutralization of nitrous acid with ammonia shown in the equation below?
Determine the molecular formula of the compound with molar mass 336.5g mol-1 and empirical formula C 5 H 8 O?
Check out the structure and pertinent physical properties of THF versus diethyl ether. What necessitated the use of THF?
lightbulb is visible light and that the average wavelength og the light is 550 nm, how many photons are emitted by the lightbuld each second?
Use the molar bond enthalpy data in the table to estimate the value of change in H rxn for the equation: CCl4(g) + 2F2(g) yields CF4(g)+ 2Cl2(g). Average Molar bond enthalpies
A buffer is prepared by dissolving .0250 mol of sodium nitrite in 500 ml of 0.0329 M nitrous acid. Assume no volume change after NaNO3 is dissolved. calculate the pH of this buffer.
What is the maximum mass of aluminum chloride that can be formed when reacting 14.0g of aluminum
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