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In prehistoric societies play used to Answer A tell stories B prepare children for the responsibilities as youth and adults and became a way of achieving solidarity and morality C punish members D bec
Explain why a single Slater determinant is not exact for a system with more than one electron.
Use the atomic radius (70 pm) and density of neon at 25 °C and 1 atm (0.90 g/mL) to calculate the average density of a neon atom.
Calculate the speed of a proton with a kinetic energy of 1.48 eV, Find the speed of an electron that has a kinetic energy of 1.48 eV. 1 eV = 1.602 × 10^?19 J
A car's starter motor draws 59 A from the car's battery during startup. If the startup time is 2.1s, how many electrons pass a given location in the circuit during that time?
As we discussed in class, we are not necessarily limited to using a minimal basis set. We may write the molecular orbitals as a linear combination of as many atomic orbitals as we wish.
The element is so highly unstable that no observations of its properties have been possible. Based on its position in the periodic table, propose two different reasonable valence electron configurat
Write an orbital diagram for the ground state of the Calcium atom. Is this atomic substance diamagnetic or paramagnetic
Two alpha particles (helium nuclei), each consisting of two protons and two neutrons, What is the distance between these particles at this time
The vapor pressure of acetone is 1 torr at -59, 10 torr at -31, 100 torr at 8, 400 torr at 40, and 760 torr at 56. What is the normal boiling point of acetone
Predict whether the following reactions will be spontaneous in acidic solution under standard conditions.
"Athenian Ideal," was a combination of athlete, artist, statesman, and philospher. The well rounded individual was valued over a person with one area of expertise.
A rescue plane flies horizontally at a constant speed searching for a disabled boat, If it takes the sound 2.10 s to reach the plane, determine the speed of the plane and What is its altitude
Write a balanced equation for the reaction of sodium carbonate with sulfuric acid to form sodium sulfate, carbon dioxide, and water. What is the molarity of the sulfuric acid solution
Which of the following innovations was developed first?
With the introduction of Christianity to areas like Hibernia (ancient Ireland) and the British Isles, as well as to the Franks and later the Goths, almost immediately we see this new faith reflected i
It is then analyzed on the ICP. The ICP results show the liquid to be 64.8 PPM Na and 43.7 PPM P. What does this reveal about the original dry powder
In thinking about the Cold war what are some similarties and differences between the conflicts and what is deplicited in the movie Restrepo?
A rifle is aimed horizontally at a target 50.0 m away, What was the bullet's flight time and What was the bullet's speed as it left the barrel
What alkene (including cis and trans isomers) would be produced by the dehydration of the following alcohols? Where possible, predict the relative amounts of each product according to Zaitsev's rule
Two cars start from rest at a red stop light, When the light turns green, both cars accelerate forward, finally catching the blue car just as the blue car comes to a stop, How fast is the blue car goi
The compound is involved in the citric acid cycle for energy production within the cell. However, the compound is unstable and slowly decomposes spontaneously. Draw the decomposition products.
What would the concentration (or activity) of Hg2+(aq) be in the solution if equilibrium existed between the water in soil pores, the gas and cinnabar
What would be a great outline for a research paper on "the discovery of paper"? as we know china invented paper so i wanted to write a paper on that.
Calculate the value of the error (only) with two decimal places for: (5.3 +/- 0.1) / (2.9 +/- 0.1) and (7.3 +/- 0.4) / (3 +/- 0.2)