Chem Final 5/21/15

Question 1

Acid or base?

NaHCO3

Answer 1

Weak base

Question 2

Acid or base?

NaOH

Answer 2

Strong base

Question 3

Properties of an acid?

Answer 3

React with carbonates to produce CO2
React with active metals to produce H2
Conduct electricity
Have a sour taste
Turn blue litmus paper red
Have a pH lower than 7
Neutralize bases

Question 4

Properties of base….

Answer 4

Bitter taste
Slippery feel 
Turn red litmus paper blue
React to neutralize and form salt
pH greater than 7
Conduct electricity
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Question 5

What is the total energy a substance contains at a constant pressure?

Answer 5

Enthpy

Question 6

Acid or base?

NH3

Answer 6

Weak base