Chemistry (4th) Flashcards
What is the taste of Acids?
Sour
What is the taste of Bases?
Bitter
In litmus paper, acid turns?
Red
In litmus paper, bases turns to?
Blue
Acid/Base is slippery
Base
Acid/Base is sticky
Acid
Acids are?
Electrolytes
Bases are?
Not electrolytes
In Methyl orange, acid turns to?
orange
In Methyl orange, base turns to?
Reddish
Phenolphthalein, acid and base turns to?
Acid - colorless
Base - Pink or faith pink
Bromothylmol Blue, acid and base turns to?
Acid - yellow
Base - blue
pH: Less than 7….
Reacts with most metals to prduce H2 and salt.
React with metal oxides to produce water and salt.
Neutralized bases
pH: Greater than 7…
Neutralized acids
A substance possessing both acid and base properties is called?
Amphiprotic
An example of amphiprotic is?
Water (H2O)
Bronsted-Lowry Acid focuses on?
The exchange of transfer of protons.
This is a substance capable of Donating a proton?
Acid
This is a substance capable of Receiving a proton
Base
Remember DAAB
Donor Acid, Acceptor Base
We add hydrogen and add charge by 1 (+H+1) in the product side is called?
Conjugate acid
We remove hydrogen and decrease the charge by 1 (-H-1) in the product side is called?
Conjugate base
A reaction that involves the transfer of electrons between chemical species.
Redox reaction
Redox reaction is also called a/an?
oxidation-reduction
Oxidation _____ an electron (OIL)
Loses
Reduction ______ an electron (REDGE)
Gains
Examples of redox reaction are?
Batteries, Breathalyzer, fossils, etc.
Acid produces ____ ions in aqueous solutions.
H+
Base produces ____ ions in aqueous solutions.
OH-
This is a methods for tracking where electrons go during a chemical reaction.
Oxidation number
This is a reactant contains the reduced element.
Reducing agent
A process by which electrons are transferred from the metal to the non metal.
Oxidation-Reduction
What are the examples of Redox reactions?
a. breakdown of glucose in the body
b. Bleaching of hair
c. Chemical reactions inside of batteries.
d. Photosynthesis
What are the examples of oxidation reaction?
a. Combustion of fuels.
b. Corrosions of materials.
Change of color of fruits like apples, bananas. when they are cut.
c. Burning of crackers.