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The reaction
2N2O(g) 2N2(g) + O2(g)
has ΔHº = -163.14 kJ. What is the value of ΔEfor the decomposition of 161 g of N2O at 25 ºC? If we assume that ΔHdoesn't change appreciably with temperature, what is ΔEfor this reaction at 331 ºC?
A buffer is made by mixing 5.0 mL of 4.0 M NH3 (aq) with 15mL of 2.4 M NH4Cl(aq). What is the pH of the buffer at 25 degrees Celcius, if the base ionization constant of ammonia is 1.8*10^-5 and the ion product of water is 1.0*10^-14 at this temper..
How many electrons in an atom can have each of the following quantum number or sublevel designations
the vapor pressure of chlorine dioxide clo2 nbsp is 155 torr at -22.75nbsp ? c and 485 torr atnbsp 0 ? c. what is the
A dilute electrolyte solution is prepared by dissolving iron(lll) chloride in water. It is found to have a freezing point of-1.00C.
an ideal monatomic gas expands isobarically from state a to state b. it is then compressed isothermally from state b to
Historically, the solid residue that is left after the Dichloromethane -or methylene chloride (CH2Cl2 )solution is evaporated has a lower melting point that its literature value, due to impurities.
To a .015 M solution of Oxalic acid is added a strong acid until pH is .5. Calculate concentration of oxalate ion in resulting solution no volume change Ka oxalic acid is 3.78 x 10-6
looking for a good introduction for this lab and any random data showing the results on how to calculate the equilibrium constant for the reaction shown above.
With respect to the Cooper pair model, explain why increasing temperature reduces the effectiveness of low-temperature superconductors
Completely neutralizes stomach acid (HCl, .10M) How much carbon dioxide is made at STP conditions (37C, 767 torr, 100% humid) by ingesting one 1.834 gram tablet
Several new pieces of equipment are being used in the experiment along with all previous equipment. Using the internet, briefly state why we are using each piece of equipment in this experiment and illustrate with a picture.
The electron-domain geometry is tetrahedral. The molecular geometry is trigonal pyramidal. d) The electron-domain geometry is tetrahedral. The molecular geometry is trigonal planar. e) The electron-domain geometry is tetrahedral. The molecular geo..
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