Chemistry, 25.01.2020 15:31 dannyboy938
In the classroom during a visual inspection of a rock, a student recorded four statements about the rock. which statement about the rock is an observation?
1)the rock formed deep in the earth's interior
2)the rock cooled rapidly
3)the rock dates from the precambrian era
4)the rock is black and shiny
Answers: 2
Chemistry, 22.06.2019 09:20
Give the orbital configuration of the phosphorus (p) atom.
Answers: 1
Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
In the classroom during a visual inspection of a rock, a student recorded four statements about the...
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