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A) Draw a Lewis structure for CN- where the bonding occurs along the x-axis. Be sure to include all lone pairs and formal charges if appropriate.
B) What is the hybridization of the Carbon and Nitrogen atoms?
C) Using hybrid orbitals and atomic orbitals where appropriate, draw pictures of the sigma* C-N and Pi C-N (py) molecular orbitals adhering to the axis system.
If the volume of a gas container at 32.0 °C changes from 1.55 L to 755 mL, what will the final temperature be. A) 149 °C B) 353 °C C) -273 °C D) -124 °C E) none of the above
The mass of a cube of iron is 284 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 10.0 mL of 0.220 M NaOH. 1. what volume of NaOH is needed to reach the end point of the titration?
The specific heat of a certain type of cooking oil is 1.75 J/(g·°C). How much heat energy is needed to raise the temperature of 2.69 kg of this oil from 23 °C to 191 °C
If 20.8 mL of NO2 gas is completely converted to N2O4 gas under the same conditions, what volume will the N2O4 occupy?
A piece of gold foil has a volume of 0.645cm^3. If the piece of gold measure 10.0 cm by 12.5cm, what is the thickness of the foil
Calculate w (in kJ) when 265 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 358 K
At 400 K, an equilibrium mixture of H2, I2, and HI consists of 0.015 mol H2, 0.012 mol I2, and 0.025 mol HI in a 4.50-L flask. What is the value of Kp for the following equilibrium? (R = 0.0821 L · atm/(K · mol))2HI(g) H2(g) + I2(g)
What would be the advantages of the internal standard calibration method and explain why the technique works so well in GC
If a chemical reaction occurs at a rate of 2.25 * 10-2 moles per liter per second at 322 K, what is the rate expressed in moles per liter per minute?
Write the balanced equation for the reaction of sodium carbonate with lead (II) nitrates. And write the net ionic equation for the reaction.
How many grams of O2 gas would occupy a 400.0 liter container when the temperature is 300.0 K and the pressure is 2.20 atm?
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