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Show the orbital-filling diagram for \rm N (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
The iron (55.847 g/mol) in a 700.0 mL sample of a natural water was determined by precipitation of the cation as hydrated Fe2O3. The precipitate was filtered
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
A sample of an unknown compound was analyzed and found to contain 19.97% phosphorus and oxygen - what is the empirical formula of the compound
The Ksp of mag fluoride is 6.4x10 -9degree calculate the solubility (in g/l) of mag fluoride in water
One mole of water vapor is expanded reversibly from 5L to 15L at a temperature of 800K. Calculate q, w, deltaE for this process assuming that water behaves as a van der Waals gas,
A gas has a volume of 590 mL at a temperature of -55.0C. What volume will the gas occupy at 30.0C.
Use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring, adjacent to each other
Determine the concentration of a solution of Mg(NO3)2 given the precipitate formed is 2.97 g and there are 50mL of Mg(NO3)2 and 50 mL of NaOH. Please show all work for each step clearly
Calculate the temperature (K) at which the equation as written is at equilibrium. Express your answer to three significant figures.
how much heat does your body lose when 2.95g of sweat evaporates from your skin at 25 degrees Cecilius
Rutherford fired positively charged particles at metal foil and concluded that most of the mass of an atom was..a) in the electrons.
Calculate the molar mass of a gas if 4.40 g occupies 3.50 L at 560 torr and 41°C.
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