An amino acid is an organic molecule that contains both an amine group and a carboxyl group. At neutral pH, which structure is most likely:
A) structure (a)
B) structure (b)
C) neither structure
D) both structures
Answer: B
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A good tutor will be correct in saying that velocity and acceleration are
A) the same concept, but expressed differently. B) rates of one another. C) expressions for changing speeds. D) different concepts.
"GFI" stands for:
a. grand flux indicator. c. ground forcing indicator. b. gauss-free invention. d. ground fault interrupter.
Consider diving 30.0 m below the surface of the ocean (density 1.03 grams/cc)
(a) what is the gauge pressure at that depth, in atmospheres? (b) what is the absolute pressure at that depth, in atmospheres? (c) If you were in a submarine at that depth, what would be the total force on a 100. cm2 window?
A rectangular wooden block measures 10.0 cm × 4.00 cm × 2.00 cm. When the block is placed in water, it floats horizontally, with its bottom face 1.65 cm below the surface. What is the density of the wood? The density of water is 1.00 g/cm3
A) 0.606 g/cm3 B) 1.65 g/cm3 C) 1.21 g/cm3 D) 0.350 g/cm3 E) 0.825 g/cm3