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1) Why do we discuss electrons in terms of the probability of finding them in an orbital instead of in terms of absolute locations
2) Why are there no 1p orbitals?
3) What is the probability of finding an electron at the point where the two halves of a p-orbital come together? What is this point called?
4) Think about a helium atom. Without using actual numbers, compare the first and second ionization energies and explain why they are different. Remember that both electrons come from the 1s orbital.
aqueous solutions of ironiii chloride and sodium hydroxide are mixed together to form a combined solution that is 0.015
Water (2770 g) is heated until it just begins to boil. If the water absorbs 5.35 x 10^5 J of heat in the process, what was the initial temperature of the water
nitric acid is usually purchased in concentrated form with a 70.3% HNO3 concentration by mass and a density of 1.14% g/ml. How much of the concentrated stock solution in milliliters should you use to make 2.5L of 0.500 M HNO3.
All hydrogen sulfide (H2S) contained in 4.00 g of crude oil is removed by distillation and collected in a CdCl2 solution. The precipitate of CdS is then filtered, washed and converted into CdSO4 by calcination.
to what celsius temperature must 63.0 ml of methane gas at 86.0degc be changed so the volume will be 50.0 ml? assume
The amino acid alanine is shown below in several different Fischer projections. Sort the structures according to whether the Fischer projection represents alanine with the R configuration or alanine with the S configuration.
At 46°C a sample of ammonia gas exerts a pressure of 5.3 atm. What is the pressure when the volume of the gas is reduced to one-eighth (0.125) of the original value at the same temperature
The rate of the reaction will increase if the pressure of the gases increases. The rate of the reaction will remain constant with increasing temperature. The rate of the reaction will increase as time increases.
170 mL of an HCl solution with pH of 2.60 is added to 200 mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution?
What is the expression for the energy difference between the lowest energy state and the first excited state of the benzene Pi system. Please leave your answer in terms of variables and constants; do not substitute.
What is the volume of 455 mL of oxygen gas at 67.0°C and 300. mm Hg if the conditions are adjusted to 890. mm Hg and 107°C? Assume the amount of gas is held constant.
Give a balanced equation and show how much hydrogen would be needed to reduce the triacylglycerol completely
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