Why do we heat the test tube in a glass beaker during a chemistry experiment and not directly over a flame?

Identify which properties could correspond to solids, plasmas, or both. maintain a unique shape. collide infrequently with other particles. have very high velocities. conduct electricity. protons. have a low temperature. has long-range order.

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

What is the mass of phosphorous in a 51-kg person