If we learn that the universe is a recollapsing universe, it will mean that the universe is presently contracting, rather than expanding as generally believed
Indicate whether the statement is true or false
FALSE
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All the following statements are true. Which one can be attributed to the exclusion principle?
A) Two electrons with the same spin cannot occupy the same energy level in an atom. B) If we know the location of an electron quite well, we will have little idea where it is going next. C) If an electron and antielectron meet, they will turn into energy through mutual annihilation. D) An electron has energy equal to its mass times the speed of light squared.
Venus is almost the same size, mass, and density as the Earth
Indicate whether the statement is true or false
The entropy of an isolated system always ______________ when natural processes occur
Fill in the blank(s) with correct word
If the potential energy diagram, when shown as a function of the separation of the atoms in the molecule, has a positive slope, then the force between the atoms
A) has the highest possible value. B) is attractive. C) has the lowest possible value. D) is repulsive. E) is none of the above.