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1) Draw three resonance structures for the molecule OCS use these atom arrangement Indicate formal charges for each resonance structure and select the one that contributes the most to the description of this molecule?
2) Utilize bond enthalpies to predict the enthalpy of the reaction below
2C2H6 (g) +7O2 (g) ----------- 4CO2 ( g) + 6 h2o (g)
calculate the freezing point depression and osmotic pressure at 25 degrees c of an aqueous solution of 1.0 gl of a
How many molecular orbitals will be formed by combination of the 3s and 3p atomic orbitals in 1.0 mol of Mg atoms. At 0 K, what fraction of these orbitals will be occupied by electron pairs (all orbitals filled up to the Fermi level)
According to the delocalized molecular-orbital theory of metals, in what sense do we say that the entire piece of metal
If 3.8 kcal of energy is released when 1 gram of glucose is combusted, calculate how many kcals are released when 0.689 moles of glucose are combusted
Calculate the conditional formation constant Kf for the formation of an EDTA complex with copper (II) at a pH of 5.00, if log Kf= 18.80
A volume of 200mL of nitrogen is collected over water at a temperture of 24 degrees celcius and the atmospheric pressure of 100 kPa. What will be the volume of dry nitrogen at 24 degrees celcius and 125 kPa?
determine what mass of h2 is formed when 35.6 grams of zinc metal is combined to an excess of dilute hcl?3 nog n2og
Consider a solution that contains 72.0% R isomer and 28.0% S isomer. If the observed specific rotation of the mixture is -41.0°, what is the specific rotation of the pure R isomer
While a 1.00 L flask containing 1.500 atm of gas A is joined with a 1.00 L flask containing 0.750 atm of gas B, and the stopcock between the flasks is opened, also the gases are allowed to mix thoroughly, the follow reaction proceeds at constant t..
a mixing process has as its inputs two streams each containing water and fiber. the first stream has 10 fiber and a
Window glass is typically made by mixing soda ash (Na2CO3), limestone (CaCO3), and silica sand (SiO2) and then heating to 1500 degrees Celcius to drive off Co2 from the Na2CO3 and CaCO3.
An unknown compound degrades when exposed to sun light by first order kinetics. The half-life for this process is exactly 5.12 weeks. What is the rate constant
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