The sulfur hexafluoride molecule consists of one sulfur atom and six fluorine atoms. The atomic masses of sulfur and fluorine are 32.0 u and 19.00 u, respectively. What mass does one mole of this gas have?
a. 32.0 g
b. 51.0 g
c. 146 g
d. 608 g
c
Physics & Space Science
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A jet airplane flies at a constant velocity through the air. Its jet engines exert a constant force forward on the plane that exactly balances the force of air friction exerted backward on the plane. These forces are equal in magnitude and opposite in direction. Do we know this because of Newton’s second law or Newton’s third law?
A. Newton’s second law B. Newton’s third law C. Both laws D. Neither (explain)
Physics & Space Science
The three main components of the Milky Way galaxy are the ________, ________, and ________
Fill in the blank(s) with correct word
Physics & Space Science
An intrinsically very bright star might appear faint if it is far away
Indicate whether the statement is true or false
Physics & Space Science