A mass of 5. 4 grams of aluminum (al) reacts with an excess of copper (ii) chloride (cucl2) in the solution as shown below. What mass of solid copper (cu) is produced? 3cucl2 + 2al ---> 2alcl3 + 3cu.

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.

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?

Compared with the cost of tuition, fees, and books for a traditional college course, the cost of a clep exam is: