A student places a 50-gram block of copper at 10°C into 100 grams of 90°C water in an insulated container. Which statement describes the transfer of heat the student will most likely observe in this system?

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

How many moles of al3+ ions are in 1.25 moles of al2o3

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.