Acids/Bases
What is the formula. for hydrochloric acid?
HCl
In covalent bonding valence electrons are ______
In ionic bonding valence electrons are _______
Shared. Gained/lost
______________ is an influencer which slows down a chemical reaction.
catalyst, inhibitor
When two or more atoms come together to form 1 product
synthesis
potential of/for hydrogen
_____ turn blue litmus paper red
______ turn red litmus paper blue
acids, bases
Covalent bonding happens between two
non-metals
To increase the rate of a chemical reaction what 3 things can I also increase (other than the use of a catalyst)
concentration, surface area, temperature
The small number which never changes in a chemical equation is the ___________ and the large number which you manipulate is the _____________.
subscript, coefficient
Any compound that changes color in the presence of an acid or a base is called an
indicator
Acids give off ______ ions
Bases give off _______ ions
H+
OH-
The mickey mouse molecule is an example of a
covalent polar bond
What is the catalyst we used to make elephant toothpaste?
yeast
2K + 2H2O → 2KOH + H
What type of equation is this?
single replacement
Positive or negative number that indicates how many electrons an atom has gained, lost, or shared to become stable
Oxidation number
Substances that are above 7 on the pH scale are ____(low or high) in H+ ions and are considered to be _______(Acids or bases)
low
Bases
An atom which has lost or gained an electron is called an
ion
Exothermic reactions ________________ heat
Endothermic reactions ________________ heat
release
absorb
2HBr + C(OH)2 --> CBr2 + 2H2O
What type of equation is this?double replacement
_______ are powders or crystals added to solutions, ___________ are liquids like water, vinegar or alcohol which powders/crystals are mixed into in chemical reactions
solutes, solvents
What is the chemical formula for ammonia? and a type of indicator we used?
NH3
litmus paper, red cabbage juice
In ionic bonding the ______ is listed first and the ending is changed to ______
Metal, ide
Baking soda and vinegar are an example of a ____________ (exo/endo) reaction.
The chemical formula for calcium chloride is ______ which when mixed with water is a _________ reaction
endo,
CaCl2
Exo
_____PbO2 --------> _____PbO + ____O2
Is the equation above balance? If not, balance it.
What TYPE of equation is this?
4 PbO2 --------> 4 PbO + 2 O2
Decomposition
What is the chemical formula for sugar(glucose)? _________
What are ALL of the elements in CHNOPS? ________
C6H12O6
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorous, Sulfur