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Determine which H atom transition (ninitial,nfinal) was responsible for the emission of a photon with a frequency of 6.91 x 1014 Hz.[RH = 2.18 x 10-18 J; h = 6.63 x 10-34 J s ]
If equal masses of H2 and O2 (100.0 grams each) are reacted together to produce water, how many grams of water could be produced.
Consider the folowing mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution.
If 60.00 mL of water is added to 40.0 mL of 4.00 Molarity NaC1, what will the concentration of the new solution be
952 cm3 container of gas is exerting a pressure of 108 kpa while at a temperature of 48 degrees celsius. calculate the pressure of this same amount of gas in a 1236 cm3 at a temperature of 64 degrees celsius.
If the final temperature of the combined liquids is 28.5°C and the heat capacity of the calorimeter is 19.3 J/°C, determine the specific heat of methanol.
ninickel can be extracted from nickel sulfide concentrates at 1200 c via the following reaction4nios ni3s2s -gt 7nis
Calculate the number of moles of CO 2
What volume of chlorine gas at 25.0 Celsius and 855 mm Hg of pressure is required to react with 84.0g of phosphorus as given
Determine the concentration of a solution of Mg(NO3)2 given the precipitate formed is 2.97 g and there are 50mL of Mg(NO3)2 and 50 mL of NaOH. Please show all work for each step clearly
During the course of an experiment, a 0.300 M NaCl solution with an initial volume of 25.0 ml is diluted to a total final volume of 26.0 ml. What is the concentration of NaCl in the final solution?
Many pharmeceuticals are derived from piperazine. solutions of piperazine are basic (Kb1=5.38x10^-6, Kb2=2.15x10^-9). What is the pH of a 0.0185 M solution of piperazine. For this problem assume it is ok to have up to a 10 percent error in our "si..
The solid is not completely submerged in te water. will this technique error ingrease, decrease, or have no effect on the reported density of the solid
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