L3: Neutralization

Question 1

What is a Neutralization Reaction?

Answer 1

When acids and bases are combined, they react to form a new ionic compound (a salt) and water; this type of reaction is referred to as a neutralization reaction.

Question 2

General Word Equation for neutralisation?

Answer 2

Acid + base → salt + Water

Question 3

What happens when a acids react with a CARBONATE base?

Answer 3

When acids react with carbonates, a salt, water, and Carbon dioxide gas are produced.

Question 4

What do carbonate bases + acids produce?

Answer 4

• h2o / water
• salt
• co2

Question 5

what do hydroxide bases and acid form?

Answer 5

• salt
• water

Question 6

What’s the pH of your stomach acid?

Answer 6

pH 1.5

Question 7

What protects our stomach from deteriorating from the acid?

Answer 7

Our stomach has a protective layer of mucus

Question 8

What is acid reflux?

Answer 8

When acid from your tummy go back into your esophagus.

Question 9

If sulfuric acid fell into a lake; why may the emergency response crew add calcium oxide to the lake?

Answer 9

—> calcium oxide forms into calcium hydroxide when interacting with the water

—> calcium hydroxide neutralises the sulfuric acid

Question 10

What would be the best way to neutralise a large acid spill in your school lab; sodium hydroxide or baking soda

Answer 10

sodium hydroxide bcuz hydroxides bases r stronger

Question 11

In phenolphthalein is injected into a lemon and then a base is injected, why wont the phenolphthalein turn pink?

Answer 11

Lemon acid neutralises the base. Neutral solution won’t trigger phenolphthalein to turn pink.

Question 12

Why is air pollution that causes the ocean to become more acidic bad for coral reefs which are made out of calcium carbonate

Answer 12

the acidity will neutralise the calcium carbonate in the coral reefs which is a primary composition of their formation

Question 13

What would you do if calcium carbonate forms into your kettle?

Answer 13

add an acid like citrus juice or smthin

Question 14

In 2006, a truck crashed into a telephone pole in southern ontario. The truck contained a base (KOH)

do firefighters

a) use strong HCL to clean up the spill

or

b) use Coca-Cola which has H3PO4

Answer 14

• they use coca cola (?) why??? idk…clara helo me. (i got you)

The issue with HCl is that it’s TOO acidic and there is less control over. While it may clean up the spill, it can potentially damage the environment around it.

H3PO4 is weaker and safer to use, producing a non-violent neutralization reaction.

Remember: the point of neutralizing something is by balancing it with the right amount of base and acid. If we add too much acid or a strong acid into a base, it will just turn into an acidic solution.