Question List for "Chemistry"

Pages: 1 ... 17 18 [19] 20 21 ... 106
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Chemistry » Because nanoparticles have a larger percentage of atoms on the surface of the nanoparticle than on ... New
Started by luvbio
 25 Feb 15, 2020
Chemistry » Composite materials can be classified as ceramic-ceramic, ceramic-metal, or ceramic-polymer. Silicon ... New
Started by maegan_martin
 71 Feb 15, 2020
Chemistry » Nonoxide ceramics include silicon nitride, the formula of which is ________. New
Started by B
 37 Feb 15, 2020
Chemistry » In order for a photovoltaic cell to convert light to electricity, the band gap must be less than or ... New
Started by rosent76
 30 Feb 15, 2020
Chemistry » The wavelength of light emitted by the GaP0.40As0.60 LED, which has a band gap of 181 kJ/mol, is ________ nm. New
Started by Chelseaamend
 49 Feb 15, 2020
Chemistry » A diode has a negative bias when the p-type semiconductor is attached to the ________ (negative, ... New
Started by sjones
 465 Feb 15, 2020
Chemistry » Addition of a small amount of Ga impurity in silicon results in a(n) ________-type semiconductor ... New
Started by dalyningkenk
 80 Feb 15, 2020
Chemistry » Tin exists in two forms: gray tin and white tin. The electrical conductivity of gray tin increases ... New
Started by Arii_bell
 60 Feb 15, 2020
Chemistry » The number of electrons that half fill a composite s-d band is ________. New
Started by Yi-Chen
 97 Feb 15, 2020
Chemistry » Al2O3 can be separated from iron oxide impurities in bauxite by dissolving the Al2O3 in hot aqueous ... New
Started by panfilo
 40 Feb 15, 2020
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