The bond between carbon atoms in the molecule ethane, H3CCH3 is referred to as
A) a triple bond
B) an ionic bond
C) a single bond
D) a double bond
Question 2
Suppose you live at latitude 40N. Which of the following describes the path of the celestial equator through your sky?
A) It extends from due east on your horizon, to an altitude of 50 in the south, to due west on your horizon.
B) It extends from due south on your horizon, to your zenith, to due north on your horizon.
C) It extends from due east on your horizon, to an altitude of 40 in the south, to due west on your horizon.
D) It extends from due east on your horizon, to an altitude of 40 in the north, to due west on your horizon.