1. classify calcium: a. s = homogeneous mixture/solution b. e = element c. c = compound d. he = heterogeneous mixture 2. classify pizza: a. he = heterogeneous mixture b. e = element c. c = compound d. s = homogeneous mixture/solution 3. classify carbon monoxide: a. he = heterogeneous mixture b. c = compound c. s = homogeneous mixture/solution d. e = element

Chromosome 17 is made of over million base pairs.

The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.

The polarity of an oxygen-hydrogen bond is higher than the polarity of a nitrogen-hydrogen bond, allowing amines to be more soluble than alcohols.