Which type of reaction is 4Al + 3O2? 2Al2O3?
a. Decomposition
b. Combination
c. Double-replacement
d. Single-replacement
b
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Although protons repel each other at a distance, they will actually bind if they come close enough together
Indicate whether the statement is true or false
Repeatedly tap the side of a drinking glass with a spoon as you fill the glass with water and the pitch of the sound
A) increases. B) decreases. C) remains relatively constant.
Where on Earth would you be if Polaris was at your zenith?
A) North Pole B) Arctic Circle C) Tropic of Cancer D) Equator E) It lies overhead everywhere on Earth.
Consider two pipes of the same length: one pipe is open at both ends and the other pipe is closed on one end but open at the other end
If the fundamental frequency of the totally open pipe is 300 Hz, what is the fundamental frequency of the other pipe? A) 150 Hz B) 300 Hz C) 450 Hz D) 600 Hz