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Draw an energy level diagram for the interaction of two atom each with an s orbital. Show how the MO's would be occupied if the two atoms in question were H atoms and if they were He atoms. What conclusions are to be drawn about the formation of a bond in each case?
Calculate the concentration of each substance when mixing 40.0 mL of 0.1 M CH3COOH and 10.0 mL of 0.1 M CH3COONa
sand and iron particales that are similar in size and color are mixed together in a beaker. what would be the best
uranium is first converted to UF6, which is easily vaperized RT. The mixtture of 235UF6 and 238 UF6 gases is then subjected to many stages of effusion. Calculate how much more 235UF6 effuse than 238UF6. 235UF6 to UF6 238. 4 decimal.
Estimate the thickness of the lipid bilayer in a biological membrane - Estimating the thickness of a membrane by using bond distance.
Suppose you pick up a 15-pound ball of iron (such as a "shot-put" ball at a track event). The iron ball has the same temperature as the atmosphere (26 °C). How many joules of heat energy must the iron ball absorb to reach the temperature of your b..
What is the velocity of an electron that has a de Brogile wavelength of 4.22 nm?
When a 0.325 g sample was studied by combustion analysis, 0.583 g of CO2 and 0.0790 g of H2O formed. How many moles of each of the following were in the original sample and what is the molecular formula
What is the formula for the compound formed between germanium with a valency of (IV) and iodine? a. Ge4I2 b. Ge2I4 c. GeI4 d. GeI2
The most common source of copper is the mineral chalcopyrite. How many kilograms of chalcopyrite must be mined to obtain 320. of pure copper?
pure nitrogen can be prepared when an aqueous solution of ammonium nitrite decomposes to form water vapor and nitrogen gas. How many grams of ammonium nitrate must have reacted if 3.75dm3 of nitrogen gas was collected over water at 26C and 97.8 kP..
According to the molecular orbital (MO) theory, when atoms bond to form molecules or molecular ions, their electrons are redistributed into molecular orbitals. What is the correct order of the relative energy levels for the molecular orbitals of t..
A solution is prepared from 0.95 grams of H3PO4 ,(Phosphoric acid) and 1.15 grams of HClO4 (perchloric acid) in 150 mili litres of solution then determine how many milliliters of 0.425 M sodium hydroxide( NaOH) is needed.
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