How does a hydronium ion molecule form?

A) Evaporation.

B) Two water molecules bonded.

C) A water molecule gained an hydrogen ion from another water molecule.

D) A hydrogen molecule bonded with an OH - molecule.

E) A water molecule split in half

Lithium aluminum hydride reduces carboxylic acids to primary alcohols via what intermediate? A) a ketone. B) a methyl ester. C) an aldehyde. D) a secondary alcohol. E) an acid chloride.

Why is carbon dioxide used in fire extinguisher?

How many electrons can fit in the second energy level?

If a grill gets rusty, should you use an acid or base to clean it? Explain why you chose an acid or a base, and give an example of an acid or a base you might use.

What is an expression of Avogadro's law (k = constant) ? a. PV = nRT b. V/T = k c. V = kn d. PV=k

Which of the following descriptions best describes a solid substance? A. The volume of the substance depends on the container it is in. B. Volume of the substance changes depending on its location. C. The shape of the substance changes often. D.

Which element is present in all amino acids but not necessarily in fats or carbohydrates?

Describe the attractive forces and repulsive forces that exist between two atoms as the atoms move closer together

A bag of gum drops contains 14 orange gumdrops, 8 yellow gumdrops, and 12 black gumdrops. What is the percentage of yellow gumdrops?

Gases and liquids will both expand to fill their container. True False ... ?