When 3000 J is added to a sample of water at 15°C, the temperature rises to 18°C. What is the mass of the sample?

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?

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

What is the correct equation for cellular respiration?