You determine the melting point to be 182.1C, and you begin to narrow down your choices using the appendix tables - pg 92 in the lab manual. You find your unknown to test positive for the Sodium Bicarbonate test. What can you conclude from this preliminary chemical test

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.