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Draw a molecular orbital diagram for the p electrons in the cyclopentadiene anion. Be sure your diagram:
Is drawn to scale (with respect to the energy axis)
Indicates the relative energy of an isolated p orbital
Has labels (names) for each MO
Depicts the bonding/antibonding/nonbonding character within each MO
Includes the number of electrons that occupy each MO
what is the molarity of all solutes in this solution. what is the osmotic pressure of the solution at 25 C. assume total dissociation of NaCL.
The test tube contained some water (besides the metal) that was subsequently added to the calorimeter. Considering a higher specific heat for water, will the temperature change in the calorimeter be higher, lower, or unaffected by this technique e..
A sample of gas is collected over water at a temperature of 35.0?C when the barometric pressure reading is 625 torr. What is the partial pressure of the dry gas, given PH2O = 42.2 torr?
If 29.1 mL of 0.4 M NaOH is used to reach the endpoint when titrating 20.1 mL of acetic acid, what is the concentration of the acetic acid in moles/L
If you drink a glass of water, what mass, in grams, of this "unknown" substance will you ingest. The volume of your drink was 250 mL and the density of the water was 1.00g/mL.
What is the % efficiency of the separation? (i.e. If X represents the anion that precipitates first, then what fraction of X was precipitated from the solution at the instant the second precipitate starts to form?)
Describe how you would prepare 500 ml of a 0.200 M solution of HCl from a concentrated dolution of 12.0 M HCl
The vapor pressure of a mixture of 400 g of carbon tetrachloride and 43.3 g of an unknown compound is 137 torr at 30 °C. The vapor pressure of pure carbon tetrachloride at 30 ºC is 143 torr
If a 200 mg piece of gold (density =19.32 g/cm^3) is hammered into a sheet measuring 2.3x1.0 ft, what is the average thickness of the sheet in meters?
Describe the hybrid orbitals used by the central atom in O 3 .and also determines what is the number of sigma and pi bonds present in O 3 .
The decomposition of nitrosyl bromide is shown below (Kp=2.3*10^-3) if .25 atm of each gas is initially present is the reaction at equilibrium? If not explain the direction the reaction must proceed to reach equilibrium.
Atoms of an unknown element have the following masses and percent abundance: 90.92% of the atoms have a mass of 19.988 u, 0.26% of the atoms have a mass of 20.983 u, and 8.82% of atoms have a mass of 21.978 u.
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