Place the following substances in the following order: soluble, somewhat soluble, and insoluble.

a.
sand, sugar, cornstarch

b.
sand, cornstarch, sugar

c.
sugar, cornstarch, sand

d.
sugar, sand, cornstarch

Classify this reaction: 2al+n2-> aln.

How many peaks will be present in a mass spectrum for brcl?

Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patient’s temperature. d.) a construction worker reports in to his office using a cell phone.