Equilibrium and Acids/Bases (A)

Once this system reaches equilibrium, what substance will be the most abundant?

• A

• B

• C

• They all have the same amount

When does this system reach equilibrium?

• A

• B

• C

• 5

Tags

NGSS.HS-PS1-6

Which of these reactions is a completion reaction?

• The one on the left

• The one on the right

• Neither, They are both reversible reactions

The pH scale is a range from:

• 1-7
• 0-14
• 1-5
• 1-20

A(n) ______ is a substance with a pH less than 7

• Acid
• Alkaline
• Base
• Buffer

A(n) _______ is a substance with a pH greater than 7.

• Base
• Acid
• Buffer
• Water

In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is true about there relationship?

• Both of the solution are Bases

• Both of the solution are Acids

• The Baking soda is an acid and the Bleach is a base

• The baking soda is a base and the Bleach is an Acid.

A base is a substance

• That releases OH- ions when dissolved in water

• That releases H3O+ ions when dissolved in water

• Does not release any ions when dissolved in water

• None of the above

On the pH scale higher numbers indicate

• acids
• bases

If you have a substance with a pH of 7.1 it is a(n).....

• Acid
• base