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a. The electrons in the neutral carbon atom are redistributed so that there are three lone electrons in the three 2p orbitals and one lone electron in the 2s orbital.
b. Hybridization of carbon results in the breakup of an electron pair and a slight increase in the overall energy of the system.
c. The geometry of the sp2 hybrids points at the corners of an equilateral triangle.
d. Carbon's 2s and 2p orbitals are hybridized, resulting in three hybrid sp2 orbitals and one (non-hybridized) pz orbital. Each new orbital has one lone electron assigned to it.
calculate the volume in ml of .500 M HA , .5ooM NaA , and water required to make 250 ml of a buffer with a total concentration
A sample of gas is heated. During the heating process, the volume of the gas increases 1.7 times. If the initial temperature of the gas is 80degrees C. what is the final temperature of the gas?
What is the entropy change for freezing 4.25 g of C2H5OH at 158.7 K? H = -4600 J/mol. Answer in units of J/K.
A fifty litres container of stainless steel was charged with 5.00 atm of H2(hydrogen gas) and 6.00 atm of O2(oxygen gas). A spark ignited this mixture (hydrogen gas & oxygen gas)
For many reactions near room temperature, the rate and the rate constant approximately double for a 10 °C rise in temperature. What is the value of activation energy in kJ/mol for such a reaction?
How much heat is required to change a) 32.6 g of ice at 0.0 C into water at 0.0 C b) 32.6 g of water at 100.0 C into steam
if you add .454g of nitroglycerine to 100g of benzene at 25C, the vapor pressure of the solution is 94.85mmHg. Calculate the molar mass of nitroglycerine.
calculate the concentration of sodium benzoate must be present in a 0.20 M solution of benzoic acid
An anesthetic contains 64.9 % carbon, 13.5 % hydrogen, and 21.6 % oxygen by mass. At 120 degrees C and 750 mmHg, 1.00 L of the gaseous compound weighs 2.30 g.
The addition of 6 g of salt to a sample of pure water causes its freezing point to be reduced from 0°C to -1.5°C. After an additional amount of salt is dissolved in the solution
calculate how many liters of seawater are needed to produce 79.1 L of fresh water at 20 °C with an applied pressure of 50.0 bar.
The Chemistry of Nicotine, Nicotine, a component of tobacco, is composed of C, H, and N. A 5.250-mg sample of nicotine was combusted producing 14.242 mg of CO2 and 4.083 mg of H2O
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