Chemistry, 25.09.2019 11:00 jeanine239
During the rainy months in africa, temporary pools of water form. one fish species, the snakehead fish, is able to walk, using pectoral fins, from pool to pool. other fish in the same area cannot travel from pool to pool. during the dry season, the pools gradually disappear. if the climate in africa remains the same as described, what would you most likely expect to see after many years?
Answers: 1
Chemistry, 22.06.2019 18:10
Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
Chemistry, 23.06.2019 02:30
Apound is approximately 0.45 kilogram. a persons weighs 87 kilograms. what is the persons’s weight, in pounds, when expressed to the correct number of significant figures
Answers: 1
During the rainy months in africa, temporary pools of water form. one fish species, the snakehead fi...
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