How many atoms are in the alcohol molecule C2H5OH?
A) 4
B) 9
C) 3
D) 11
E) insufficient information is given
B
Physics & Space Science
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A BCC unit cell contains ______________lattice point(s).
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
In the context of seismic waves, P waves travel as a side-to-side vibration
Indicate whether the statement is true or false
Physics & Space Science
What type of galaxy has only old stars, little dust, low density, hot gas, and no star formation?
A. irregular galaxies B. elliptical galaxies C. spiral galaxies D. All types of galaxies share these features
Physics & Space Science
How long is a wire made from 100 cm3 of copper if its resistance is 4.0 ohms? The resistivity of copper is 1.7 × 10^–5 ?·m
a. 4.9 m b. 1.7 × 10^2 m c. 2.6 × 10^2 m d. 1.5 × 10^3 m e. 24 m
Physics & Space Science