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Problem- An electron in a hydrogen atom makes a transition from the n = 2 to the n = 5 state. What wavelength of radiation does the electron absorb in making this transition? (Please explain and show math!)
1) 434 nm
2) 91 nm
3) 43 nm
4) 212 nm
Solve the above problem and provide steps with explanation
A 50.0-L reaction vessel contains 1.00 mol N2, 3.00 mol H2, and 0.500 mol NH3. Will more ammonia, NH3, be formed or will it dissociate when the mixture goes to equilibrium at 4000C. The equation is
The absorbance of solutions containing Cr as dichromate Cr2O7-2 in 1.0M H2SO4 were measured in a 5cm cell. The following results were obtained
an element is diamagnetic if it has no unpaired electrons. anelement is paramagnetic if it has unpaired electrons. if
Problem- A saturated solution of carbon-dioxide in water contains.0682mol/L of carbon-dioxide when the carbon-dioxide partial pressure is 8 atmospheres. What mass of carbon dioxide will escape if the partial pressure is lowered to 3.2 atmospheres
structure of the substance to be used in this experiment to initiate free radical chain chlorination
Explain how would you make 100mL of a carbonic acid buffer at 0.2 M and pH = 9.8 utilizing 0.5 M HCO3 and either 0.1 M NaOH or 0.1 M HCL and water
What would the pH change be if this same amount of 1.000 M HCl were put into a gallon of pure water?
percentage of calcium carbonate in the sampledissolving 3.00 g of an impure sample of calcium carbonate in hydrochloric
a 10.0l container of helium gas with a presure of 250mmhg at 0 degrees celsius is heated to give a pressure of
Hydrocarbon mixtures are used as fuels. What mass of CO2 gas is produced by the combustion of 197.1 g of a mixture that is 62.5 % CH4 and 37.5% C3H8 by mass
Using curved arrows to symbolize the flow of electrons, write the mechanism for the steps involved in the conversion of 9-fluorenone to 9-fluorenol with sodium borohydride followed by aqueous acid
Elemental analysis of a compound containing H, B and O gave 1.3% H and 27.5% B. The molecular weight of the compound is 157.3. What is the molecular formula of the compound. a. H3B5O6 b. H2B4O7 c. H2B5O9 d. H2B4O8
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