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The atomic orbitals of two iodine atoms combine to form the diatomic molecule. Use the periodic table to determine the atomic orbitals that overlap to form the molecule and the symbol of the noble gas that has the same electron configuration as the electron configuration of each bonded iodine atom. For example, the 2p atomic orbitals of fluorine atoms overlap to form the molecule. The noble gas that has the same electron configuration as that of each bonded fluorine atom is . To enter the atomic orbitals that overlap and the corresponding noble gas, you would enter 2p,Ne.
a gas company in massachusetts charges $2.80 for 15ft^3 of natural gas at 20 degrees C and 1 atm. Calculate the cost of heating 200mL of water from 20 degrees C to 100 degrees C.
What is the percent by mass of oxygen in a gaseous mixture whose molar composition is 0.500% CO2 and 99.500% air?
Determine the molar concentration of chloride ions after adding 225 ml of 0.625 MKCL with 615 ml of 0.385M MgCl2 if final volume of the solution is 840ml.
3NaHCO3(aq) + H3C6H5O7(aq) → 3CO2(g) + 3H2O(l) + Na3C6H5O7(aq) How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0119 mol of NaHCO3 is dissolved?
Rubidium has two naturally occuring isotopes. The relative abundance of rubidium-85 is 72.17%; its atomic mass is 86.91 amu. Determine the average atomic mass of rubidium.
Calculate the initial rate of the NO reduction at 1100 K if 400.00 mg of NO and 600.00 mg of H2 are confined to a 5.00 L reaction vessel.
Sodium atoms emit light with a wavelength of 330 nm when an electron moves from a 4 p orbital to a 3 s orbital. What is the energy difference between the orbitals in kilojoules per mole?
Which of the following intermediates is believed to occur in the mechanism by which alkenes are hydrated in the presence of acid?
How many moles of HF (Ka = 6.8 10-4) must be present in 0.165 L to form a solution with a pH of 2.25?
If a total of 13.5 mol of NaHCO and 4.5 mol of C H O react, how many moles of CO and Na C H O will be produced? 3NaHCO (aq) + C H O (aq) 3CO (g) + 3H O(s) +Na C H O (aq).
the national institute for occupational safety and health (NIOSH) sets standered for ccl4 in air at 12.6 mg/m^3 of air
How many electrons must aluminum lose before it can reach a stable electronic configuration? Use the table of ionization energy to justify your answer.
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