If two benzene rings are linked by an oxygen atom it is an _________linkage.
Fill in the blank(s) with the appropriate word(s).
ether
Physics & Space Science
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A 3.0 m organ pipe is open at both ends and contains air. The velocity of sound in air is 331 m/s. What is the wavelength of the lowest frequency mode?
A. 1.5 m B. 3.0 m C. 6.0 m D. 9.0 m E. 12.0 m
Physics & Space Science
Light waves reflected off a body of water are strongly polarized in the horizontal direction. To reduce glare polarized sunglasses are made
A. with the transmission axis horizontal. B. with the transmission axis vertical. C. with the transmission axis at 37°. D. Polarized sunglasses don’t help with glare
Physics & Space Science
C3H4 is an example of a(n)
a. aromatic. b. alkene. c. alkyne. d. alkane. e. cycloalkane
Physics & Space Science
An example of a sedimentary rock is
a. granite. b. gneiss. c. gabbro. d. shale.
Physics & Space Science