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Compute the energy difference for a transition in the Paschen series for a transition from the higher energy shell n=6.
Determine the final temperature of the mixture. (Use 1g/mL as the density of water)
Determine the value of x in Fe(CO)x if you combine 0.250 g of iron with CO and isolate 0.877 g Fe(CO)x.
consider a neuron at rest at 37degc with ion concentrationsinside and outside the cell as at right inside outsidena 10
the chemical reaction between reagents supplied from an outside source. What is the emf of a cell fuelled by (a) hydrogen and oxygen, (b) the combustion of butane at 1.0 bar and 298 k.
Assuming that the volumes are additive, what is the concentration of KBr in a solution prepared by mixing 0.246 L of 0.081 M KBr with 0.600 L of 0.055 M KBr
Chlorine has two isotopes, Cl-35 and Cl-37. Their abundances are 75.53% and 24.47%, respectively. Assume that the only hydrogen isotope present is H-1.
What is the activity coefficient of H in a solution containing 0.020 M HCl and 0.010 M Ca(ClO4)2? What is the pH of this solution
For the reaction below, Kc=4.50x10^11 at 25oC. A(g) + 2B(g) C(g) In an experiment, 1.00 mol A and 1.00 mol B are combined in a 1.0L reaction vessel. What are the equilibrium concentrations of A, B and C
at a pressure of 1 atmosphere and a temperature of 25 degc 500 cm3 of the gas hx has a mass of 0.400 g. calculate the
Testing the run off water of PNA (polynuclear aromatic compounds). Which analytical method you will use in each case. Explain your choice
32.5 kjmoldeggd muscles are powered by the hydrolysis of adenosine tri phosphate to adp pi which has a gacute for this
63mL of a 1.70 M solution is diluted to a volume of 218 mL. A 109mL portion of the solution is diluted using 117mL of water. What is the final concentration?
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