What is the temperature of a system in thermal equilibrium with another system made up of ice and water at one atmosphere of pressure?
a. 0°F
b. 273 K
c. 0 K
d. 100°C
b
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What are the quarks really called?
A.) Sleepy, Dopey, Grumpy, Sneezy, Bashful, and Doc. B.) Electron, proton, photon, positron, meson, and muon. C.) Charm, strange, anger, hope, peace, and love. D.) Up, down, top , bottom, strange, and charm. E.) Gluon, W+ boson, W- boson, Z boson, graviton, and photon.
Describe the circulation of Jupiter's belts and zones
What will be an ideal response?
Why do we expect WIMPs to be distributed throughout galactic halos, rather than settled into a disk?
A) They are light enough that they have expanded out into the halo. B) WIMPs were produced at the early stages of galaxy evolution, and objects in the halo, such as globular clusters, were formed at the beginning of the galaxy. C) Since they do not interact with the electromagnetic force, they do not feel friction or drag and hence do not contract with the rest of the protogalactic cloud. D) Shock waves from supernovae have blown the WIMPs out into the halo. E) Jets from the early active stage of a galaxy's life shot out most of the WIMPs from the disk.
What is the valence shell?
A) It is the outermost shell of electrons in an atom. B) It is the shell of electrons in an atom that is the least reactive. C) It is the last partially filled orbital in an atom. D) It is the shell of electrons in element V (atomic no. = 23). E) It is the same as the orbital configuration.