When you test starch with Barfoed’s reagent, what would be the answer, positive or negative? Explain your answer by giving reasons and structures.

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

You have a sample of a gas that occupies a volume of 17ml at -111 degrees celsius. what volume does the sample occupy at 88 degrees celsius? show all work asap

Northern was a learned a fairly cold climate caused by see one from the atlantic ocean, but se was real and tends to be much warmer, sonia look good causes difference. a.cool wins cannot blow across a leg into the south mountains, b.prevent cold air from blowing over into south sea,c.the south is at much higher elevation, so it is closer to the sun, d.suppose early and has a sperience a drastic climate change in the past few years.