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The bond energies increase in the order: O2^1 < O2 < O^-2< O2^-2 The number of unpaired electrons in O2^-1 and O2 is, respectively, 1 and 0. The bond order in O2^-and O2^-2 is, respectively, 2.5 and 1. Bond length increases with increasing bond order while bond energy decreases. The electron configuration of O2 is (?2s)2(?*2s)2(?2p)2(?2p)4(?*2p)1. The electron configuration of O2^-2 is (?2s)2(?*2s)2(?2p)2(?2p)4(?*2p)3.
Polyethylene is a polymer consisting of only carbon and hydrogen. If 2.300 g of the polymer is burned in oxygen it produces
how would each affect the calculated molecular mass of the solute?
Gibbs Free Energy: Spontaneity Elemental carbon usually exists in one of two forms: graphite or diamond. It is generally believed that diamonds last forever.
When 2.5000g of NaOH were dissolved in 49.0g water in a calorimeter at 24.0C, the temperature of the solution went up to 37.1C.
The melting point of tropylium bromide is above 200 degree C, quite high for an organic compound. How can you account for these experimental observations?
The vapor pressure of pure water at 25°C is 23.77 mm Hg. What is the vapor pressure, in mm Hg of water above a solution that is 3.500 m glucose, C6H12O6
The following chemical equilibria are studied in this experiment. To become familiar with their behavior, indicate the direction, left or right, of the equilibrium shift when the accompanying stress is applied to the system
Determin whether each of the following equation is balanced or unbalanced: a) PCl3(l)+Cl2(g)--->PCl5(s), b)CO(g)+2H2(g)--->CH3OH(l), c)2KClO3(s)--->2KCl(s)+O2(g), d)Mg(s)+N2(g)--->Mg3N2(s).
An experiment is performed on an unknown material and produces the following heat curve. The temperature of the material is shown as a function of heat added. If the sample of material has a mass of m = 9.80 g, calculate the specific heat when thi..
Draw the hydrogen on the chiral center. Make sure you indicate the chiral center through stereo wedges , and that there are no other bonds between the two bonds drawn with the stereo wedges.
The average C--H bond energy in CH4 is 415 kJ/mol. Use the following data to calculate the average C--H bond energy in ethane (C2H6; C--C bond), in ethene (C2H4; C=C bond), and ethyne (C2H2; C (triple bond) C).
Which element has 55 neutrons, 36 electrons, 40 protons and has a mass of 95. I know its 95Mo but does it have a ion charge of +2,+4,or+6? I've tried +2 and +6 but its wrong. Help would be appreciated.
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