What is the area of a piece of metal foil that measures 43.9 cm by 29.21 cm? Express the answer to the correct number of significant figures.
A) 128 cm2
B) 1280 cm2
C) 1282.3 cm2
D) 1282.32 cm2
E) 1282.319 cm2
Question 2
The solubility of gases in liquids
A) increases as temperature increases and increases as pressure increases.
B) decreases as temperature increases and increases as pressure increases.
C) decreases as temperature increases and decreases as pressure increases.
D) increases as temperature increases and decreases as pressure increases.
E) is independent of temperature and increases as pressure increases.
Examples of structures in which extensive surface area is important for function.
the fatty acid molecules expose the smallest possible hydrophobic surface area
Workshop of Kane Kwei, Coffin in the shape of a film projector, Teshi area, Ghana, Africa. 2013.
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