Determine the volume of so_2 (at stp) formed from the reaction of 96. 7 g of fes_2 and 55. 0 l of o_2 (at 398 k and 1. 20 atm). The molar mass of fes_2 is 119. 99 g/mol. 4 fes_2 (s) + 11 o_2(g) → 2 fe_2o_3(s) + 8 so_2(g).

Snakes, dogs, and humans have a vertebral column. snakes and dogs have tails, and humans have vestigial tailbones. dogs and humans have limbs, but snakes do not. most reptiles lay eggs, but a few give birth to live young. what do these structures suggest about the evolutionary pattern between the three organisms? 1. snakes and dogs are more closely related than snakes and humans. 2. snakes and humans are more closely related than humans and dogs. 3. dogs and humans are more closely related than snakes and humans. 4. dogs, snakes, and humans share a common ancestor. 5. the early ancestor of snakes and dogs is the same, and the early ancestor of humans is different.

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Ineed so much with both of these tot