Assume that you have calibrated your calorimeter correctly (i. e., with a stir bar). If you forget to put the stir bar in your calorimeter while measuring the enthalpy of dissolution of your unknown salt, will your measurement overestimate or underestimate the actual value? (Hint: Remember that delta Hdiss can be either positive or negative). Explain.

why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

all eukaryotic cell have mitochondria : )

i don,t know so just answer mine

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.