Millions of trees are cut down in North, Central and South America to make ultra-soft toilet paper
Indicate whether the statement is true or false
T
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Account for the observation that ethyl alcohol, C2H5OH, dissolves readily in water but dimethyl ether, CH3OCH3, which has the same number and kinds of atoms, does not.
A. The high electronegativity of the carbon-oxygen-carbon bond on dimethyl ether creates a strong dipole charge on the ends of the molecule, making it highly soluble in water. B. Because dimethyl ether lacks an -OH group, it is significantly less polar than is ethyl alcohol and is not readily soluble in water. C. Because the carbons arrange themselves in a straight line, the ethanol can interact more easily with more water molecules, thus increasing its solubility. D. The hydrogens on the dimethyl ether surround the molecule, shielding the inner atoms from interacting with the water.
The country in Central America with the most Spanish-descent population.
A. Mexico. B. Costa Rica. C. Nicaragua. D. El Salvador.
Bacteria in decaying plant leaf material can act as ice nuclei
a. True b. False
Violent tornadoes (with winds exceeding 180 knots) that contain smaller whirls rotating within them are called ____
a. multi-vortex tornadoes b. supercell tornadoes c. suction tornadoes d. tornado families e. tornado outbreaks