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Problem- the typical energy differences for transitions in the microwave, IR, and electronic spectroscopies are 5x10^-22 J , 0.5x10^-19 and 1x10^-18 J.
1) Calculate the ratio of the number of molecules in two adjacent energy levels at 300 K in each case.
Carbonyl fluoride, COF2 is an important intermediate used in the production of fluorine-containing compounds. For instance, it is used to make the refrigerant carbon tetrafluoride
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 127.00pm. What wavelength of light would have sufficient energy to ionize the atom
Calculate the "molar heat of dissolution" (kJ/mol). Recall heat capacity of water is 4.184 J/g degrees celsius.
The vapor pressure of water at 25deg C is 23.8 torr. Determine the mass of glucose (MolarMass=180g/mol) needed to add 500g of water to change the vapor pressure to 23.3 torr.
draw the lawis structure and structural formulas for ccl3f. sketch the space-filing model and the charge-density model
There are two common polymorphs of zinc sulfide: cubic and hexagonal. Based on the analysis of Madelung constants alone, predict which polymorph should be more stable.
Question- Identify the correct values for a 2p sublevel. Identify the correct values for a 2p sublevel. n = 2, l = 1, ml = 0 n = 2, l = 1, ml = +2 n = 1, l = 0, ml = 0 n = 4, l = -1, ml = 0 n = 3, l = 1, ml = 0
The combustion of how many moles of ethane C2H6 would be required to heat 587g of water from 25 degree to 78 degree. ( assume liquid water is formed during combustion.)
Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name
Calculate the change in total internal energy for a system that releases 2.26 x 10^4 kJ of heat that does 5.54 x 10^4 kJ of work
what is the freezing point of a solution made by dissolving 352 g of ethylene glycol c2h6o2 in 648 g of water? the
water from 20 degrees Celsius to 100 degrees Celsius. What is the delta H of combustion of the propane. What is the sign (positive or negative) of delta H?
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