In the osmosis experiment, we soaked a “water weenie” in a b…

In the osmosis experiment, we soaked a “water weenie” in a beaker of distilled water for 20 minutes.  After that, we tested the distilled water in the beaker (“mystery water”) to see what was in it.  IF a group had discovered starch in the water, what conclusion would you make?

Last week you performed the assay tests on three samples: 1)…

Last week you performed the assay tests on three samples: 1) distilled water; 2) stock solution of starch/sugar/salt; and 3) water from your experimental beaker, in which the dialysis tubing had been floating.  Which answer below correctly explains WHY you did that particular test?

A particle travels at a very high speed of 2.998×108 meter/s…

A particle travels at a very high speed of 2.998×108 meter/second.  What is its speed in terms of miles/minute? (1 minute = 60 seconds)   Mark your answer next to words “Final answer is”.  You must follow significant figure rules.  Show your work here to receive full credit.