A student is trying to dissolve 20 grams of sugar in a beaker containing 250 milliliters of water at room temperature. The student should do any of the following to make sugar dissolve faster in the water, except for A. increase the temperature of the water
B. use larger pieces of sugar
C. stir rapidly
D. use more water

Which suspect most likely committed the robbery and how do you know

How is electrolysis most commonly used to produce an energy source? a - splitting water molecules produces oxygen, which organisms breathe to fuel their bodies. b - splitting water molecules produces hydrogen gas, which is used to power machines through hydrogen fuel cells. c - splitting carbon dioxide molecules produces coal, a form of carbon that can be burned to produce heat. d - splitting carbon dioxide molecules produces natural gas, which can be burned to generate electricity in power plants.

Why is it that 85.48 rounded to two significant figures is 85 and not 86?