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Assuming that the electron and hole masses equal the free electron mass, what is the intrinsic carrier density of diamond with a bandgap of 5.4 eV? Assume temperature 300 K.
answered
Mar 4, 2020
Physics
college
2
votes
52.4k
views
How many molecules are present in a sample of carbon dioxide, CO2 with a mass of 168.2?
answered
Feb 26, 2020
Chemistry
middle-school
4
votes
78.7k
views
You pick up a 10-newton book off the floor and put it on a shelf 2 meters high. How much work did you do?
answered
Feb 6, 2020
Physics
middle-school
2
votes
187k
views
Which is a correct two-column proof? Given: r || s Prove: ∠b and ∠h are supplementary. Picture 1, Picture 2, Picture 3 or none of them
answered
Jan 6, 2020
Mathematics
high-school
3
votes
180k
views
What was the role of the United States in response to the disaster? Cyclone in Burma
answered
Jan 5, 2020
Geography
middle-school
3
votes
217k
views
Given: a convex n-gon Prove: The sum of the measures of the exterior angles is 360°. Complete the missing parts of the paragraph proof. For a convex n-gon, interior and exterior angles form angles, whose
answered
Sep 22, 2019
Mathematics
middle-school
5
votes
167k
views
Which of the following statements is false? A) Racemic mixtures of enantiomers do not rotate the plane of polarized light. B) Cyclobutane is more reactive than butane. C) Aldehydes are less reactive than
answered
Aug 6, 2019
Chemistry
college
5
votes
124k
views
Let x^2 - 12x = 61 What values make an equivalent number sentence after completing the square? Enter your answers in the boxes. x^2 - 12x + ____ = ____
answered
Jun 9, 2019
Mathematics
high-school
2
votes
157k
views
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