The mass percent composition of an organic compound showed that it contained 40. 0% c, 6. 7% h and 53. 3% o. A solution of 0. 673 g of the solid in 28. 1 g of the solvent diphenyl gave a freezing point depression of 1. 6 celsius. Calculate the molecular formula of the solid. (kf for diphenyl is 8. 00°c/m. ).

Ppcc assigned a story board on eg.ppcc.edu about a post-apocalyptic world called the books of wisdom. i was wondering if anyone had any advice on how to do well. also is there a way to change you name?

You have a poultry farm and a poultry-processing unit. which product can you make using the waste products from your processing unit?

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.