What does chef Ragu need to remember about acids? Select the characteristics that best describe an acid. Mark if correct
Characteristic
Sting eyes and skin
Sour Tasting
Produces hydronium ions when it dissolves in water
Corrosive
Sweet tasting
Produces hydroxide ions when it dissolves in water

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?