pH Scale

A blend of two or more substances

Mixture

Are mixtures Physically mixed or chemically bonded?

Physically mixed

A mixture that is uniform throughout

Homogeneous

A mixture that is not uniform throughout

Heterogeneous

Mixture with one or more substances evenly distributed

Solutions

A substance dissolved in the solution

Solute

A substance that dissolved the solute

Solvent

What is another word for a Solution

Homogeneous mixture

What are some examples of Solutions?

Soda, Lemonade.

A mixture of water rand undissolved materials

Suspensions

What would be an example of a suspension

Water and washing soap.

The amount of solute dissolves in a measured amount of solution.

The concentration

No more solute will dissolve

Saturated solution

Water is the solvent

Aqueous Solution.

What is considered the universal solvent

Water

Who created the pH scale?

Soren P. L Sorenson

What year was it created

1909

What did the scientist propose in this letter

The actual degree of acidity in a solution should be measured by hydrogen ion concentration and proposed the pH scale for expressing the hydrogen ion concentration.

What substance did Sorenson get involved in testing acidity

Beer

What phrase did the pH symbol come from

Pouvoir Hydrogene (power of hydrogen)

What are acids and bases?

2 extremes that describe a chemical property in chemicals.

What happens if you mix acids and bases.

They cancel out and neutralize their extreme effects.

What is a substance that is not acidic or basic

Neutral

What does the pH scale measure

How acidic or basic a substance is.

What is there range of pH scale

0 to 14

What is a pH less than 7

Acidic

What is a pH more than 7

Basic

What is pH value below 7

10 times more acidic

What is a pH value above 7

10 times more basic

What is another word for basic

Alkaline

What are some examples of acids

Citrus fruits, Tomatoes, softdrinks/tea

What are some examples of bases

Antacids, Bleach, Household cleaners

What is a very strong base

Ammonia

What is the taste of Acid

sour

What is the taste of a base

Bitter

What is the type of ion that is most commonly found in an acid.

Hydrogen ion or H+

What is the type of ion that is most commonly found in a base

Hydroxide ion or OH-

What is the name of the proton found in acids

“Donner”

What is the name of the proton found in bases

Acceptor.

What is the color of litmus paper when placed in acid

Pink

What is the color of litmus paper when placed in blue

Blue.

What is a more detailed and exact definition of the pH scale

measures the concentration of H+ ions.

What is H20 broken apart?

OH+H

What is a 7 on the pH scale

Water

Whats another term used for hydrogen ions on the pH scale

H30+ or Hydronium ions

A weak acid or base that can react with a strong acid or based to prevent sudden sharp changes in pH

A buffer.