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How would the ground-state energy levels of X and H compare (where X is an atom with one electron like Hbut different energy levels)? For X: E = - (RH / n3) and RH is the same as H (2.179 ×10?18J).
The appropriate chemical equation is PCl3(g)+Cl2(g) PCl2 Calculate the new partial pressures after equilibrium is reestablished.
the average soil organic carbon content = 0.01%. assume that soil organic carbon is the primary sorbent and that degredation and dispersion are negligible.
The size of a diamond is measured in carats. (1 carat=.200 g) The density is 3.51 g/cm3. How many carats is a diamond that measures .
when a 1421 J of heat energy is added to 39.5 g of hexane, C6H14, the temperature increases by 15.9 degree centegrade. Calculate the molar heat capacity
Consider an ideal gas with a volume of V1. To what volume would you need to compress the gas to double its pressure?
A solution of calcium ions contains 5 meq/650. cm3 of calcium ion. How many moles of calcium ion does this solution contain?
Assume equilibrium with the calcium carbonate in the sediment and calculate the concentration of calcium ion (in mg/L -1) in the water (25C).
Describe the apparent relationship between H30+ and OH- concentrations when an endpoint is reached in an acid-base titration.
If the acid dissociation constant, Ksuba, for an acid HA is 8 x 10^-4 at 25 degree C, what percent of the acid is dissociated in a 0.50 M solution of HA at 25 degree C?
Na3AlF6(l) 3 Na(l) + Al(l) + 3 F2(g) What is the concentration of F2 over a bath of molten cryolite at this temperature? a) 3 10-35 M b) 5 10102 M c) 6 10-74 M d) 8 10-312 M e) 8 1017 M
a 150.0 g sample of metal at 80 c is added to 1500.0g of H2O at 20 c. the temperature rises to 23.3 c. assuming that the calorimeter is a perfect insulator, what is the specific heat of the metal.
When sodium is heated, a yellow spectral line whose energy is 3.37x10^19 J/photon is produced. What is the frequency and wavelength of this light?
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