Who discovered Neptune in the late 19th century?
a. Galileo
b. Herschel
c. Galle
d. Le Verrier and Adams
e. Tombaugh and Lowell
d
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The precision and number of significant figures in 0.0045 mm is
A. precision = .0001 mm, significant figures = 4. B. precision = .001 mm, significant figures = 4. C. precision = .0001 mm, significant figures = 3. D. precision = .001 mm, significant figures = 3. E. precision = .0001 mm, significant figures = 2.
The giant Borealis basin around the Martian north pole may have formed due to an impact with an asteroid twice the size of Ceres
Indicate whether the statement is true or false
According to the Big Bang theory, ordinary matter did not exist in the first microsecond after the beginning. All the matter in the universe was a sea of ________.
Fill in the blank(s) with the appropriate word(s).
Find the change in entropy (in J/K) when 5.00 moles of an ideal monatomic gas are allowed to expand isobarically from an initial volume of 20 cm3 to a final volume of 100 cm3.
A. 167 B. 100 C. 67 D. 52 E. 152