Which of the following describes a chemical change?
a. ethanol boils when heated.
b. ethanol has a high heat capacity.
c. ethanol can be produced by the fermentation of grapes.
d. ethanol is a clear

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)

What does the symbol (–hfus) indicate in a phase change?

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )