Untitled Flashcard Set

A positively charged hydrogen atom is called __________.

Proton (H^+).

An ion formed when a water molecule accepts a proton from an acid is known as __________.

Hydronium Ion (H3O^+).

The term for a substance that can both accept and donate a proton is __________.

Amphiprotic Substance.

A measure of the acidity or basicity of a solution is referred to as __________.

pH.

Proton donors in the Brønsted-Lowry theory are known as __________.

Acids.

In the Arrhenius theory, acids donate protons to water, forming __________.

Hydronium ions (H3O^+).

Water is an example of an __________ substance, as it can act as both an acid and a base.

Amphiprotic.

A pair of substances that differ by one proton (H^+) is called __________.

Conjugate Acid-Base pair.

When an acid donates a proton, it forms a __________.

Conjugate Base.

The ion produced when a base accepts a proton is referred to as a __________.

Conjugate Acid.

Concentration refers to the number of moles of acid or base dissolved per __________ of solution.

litre.

Hydrochloric acid (HCl) is classified as a __________ acid, as it ionizes completely in water.

Strong.

Ethanoic acid (CH3COOH) is an example of a __________ acid, which only partially ionizes in water.

Weak.

Ammonia (NH3) is considered a __________ base because it only partially ionizes in water.

Weak.

The ionic product of water used to express the pH scale is __________.

Kw.

Diprotic acids can donate __________ protons per molecule during a reaction.

Two.

An example of a strong base is __________.

Sodium hydroxide (NaOH).

Phenolphthalein changes from colorless to __________ in basic solutions.

Pink.

The reaction of a strong acid with a strong base is classified as __________.

Neutralisation.

The net ionic equation for neutralisation involves __________ and hydroxide ions reacting to form water.

Hydrogen ions (H^+).

Zinc oxide (ZnO) is considered to be __________ because it can react with acids and bases.

Amphoteric.

In acid-base titration, the __________ is the point at which the solution changes color permanently.

Endpoint.

The enthalpy change for the formation of water from protons and hydroxide ions is __________.

-55.9 kJ mol^{-1}.

A reaction where an acid reacts with a carbonate produces carbon dioxide, water, and __________.

Salt.

The complete ionic equation for the reaction of citric acid with sodium hydroxide shows the __________ separated into ions.

Solutes.

The reaction of a reactive metal with an acid will produce a __________ gas as a product.

Hydrogen.

Acidic oxides typically react with water to form __________.

Oxyacids.

The reactions between metal oxides and acids yield __________ and water.

Salts.

Hydrofluoric acid (HF) is an example of a concentrated __________ acid.

Weak.

The stronger the acid, the __________ the bond with hydrogen in the acid molecule.

Weaker.

Indicators change color based on the __________ of the solution they are in.

pH.

The reaction of a weak acid with a strong base results in a __________ solution.

Salt.