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Final Chem Test

Chemical equations are combo of symbols and numbers that describe ____.
Chemical Products
Mass Conservation
Chemical Reaction
Chemical Conservation
The first part of a chemical equation is called what?
Products
Reactants
The second part of a chemical equation is called what?
Products
Reactants
When verbalizing an equation, the arrow is read as? (Choose three)
To produce
To yield
To react
To form
To mass
Balancing equations is based on the law of
Chemical reactants
Mass conservation
Atomic mass
Avogadro's number
What is a mole?
6.00x10^3
6.02x10^19
6.02x10^23
6.00x10^23
The number 6.02x10^23 (mole) is called?
Avogadro's number
Chemical reaction number
Physical reaction number
Chemical product number
The mass of one mole of any element, ion or compound is called its _____ mass.
Atomic
Molar
Reactant
Product
Chemical
Reactions where there is a net release of energy are said to be _______.
Endothermic
Exothermic
Reactions where there is a net absorption of energy are said to be ______.
Endothermic
Exothermic
How fast a chemical reaction takes place is called the ______
Exothermic Rate
Endothermic Rate
Reaction Rate
Chemical Change Rate
When particles collide, their orientation ________.
Matters
Does Not Matter
The minimum amount of energy required to initiate a chemical reaction is called _____.
Reaction
Endothermic
Exothermic
Activation
A substance which increases the rate of a chemical without itself being consumed by the reaction.
Reactant
Activist
Catalyst
What catalysts are found in living organisms?
Reactants
Cells
Nucleus
Enzymes
Amino Acids
Arrhenius theory of acid?
A substance that produces OH- ions in water solution
A substance which is a proton acceptor
A substance that is an electron pair acceptor
A substance that produces H+ ions in water
Arrhenius theory of base?
A substance that produces H+ ions in water
A substance that is a proton donor
A substance that produces OH- ions in water solution
A substance that is an electron pair donor
Bronsted-Lowry theory of acid?
A substance that is a proton donor
A substance that is an electron pair donor
A substance that is an electron pair acceptor
A substance that produces OH- ions in water solution
Bronsted-Lowry theory of base?
A substance that produces H+ ions in water
A substance which is a proton acceptor
A substance that is an electron-pair acceptor
A substance that is an electron pair donor
The reaction of an acid and base to form a salt and water is called _____.
Molecular Reaction
Neutralization
Hudronium Ion
Proton Donor
The H30+ ion is called a _________ ion.
Positive
Negative
Oxygen
Hydronium
Neutral
How are Hydronium ions formed?
Made by removing a water molecule
Made by adding an electron to a water molecule
Made by adding a proton to a water molecule
Made by adding a neutron to a water molecule
Acids taste?
Bitter
Sour
Sweet
Bases taste?
Sour
Bitter
Sweet
_______ have a slippery, soapy feel.
Acids
Bases
Strong acids & bases are _______ conductors of electricity while weak acids & bases are ______ conductors.
Weak, strong
Strong, strong
Strong, weak
Weak, weak
A substance whose ability to behave as an acids is about the same as its ability to behave as a base- what type of substance?
Strong substance
Weak substance
Hydronium ion
Amphoteric substance
In water, the concentration of H30+ ions and OH- ions is what?
1.00x10^23
1.00x10^-7
1.25x10^6
M refers to ______ or __________________.
Molarity, Mole
Molarity, Moles per Liter
Moles per Liter, Molecule
Molecule, Molarity
The mathematical expression for Kw will always mean that the concentrations are _______.
Positive
Negative
Neutral
The concentration of OH- _________ when the concentration of H3O+ becomes greater.
Decreases
Increases
Stays the Same
The concentration of H30+ ________ when the concentration of OH- becomes greater.
Decreases
Increases
Stays the same.
Another term referring to "basic" is ______.
Alkaline
Acidic
Formula which expresses pH is ______.
-log[OH-]
-log[H30+]
PH of an acidic solution is ______ than 7.
Less
Greater
PH of a basic solution is ______ than 7.
Greater
Less
A(n) ______ solution resists large changes in pH.
Acidic
Reactive
Buffer
Basic
Blood pH range should be between.....
7.45-7.55
7.35-7.45
7.25-7.35
When blood drops below 7.35, condition called _______
Acidosis
Alkalosis
When blood rises above 7.45, condition called
Acidosis
Alkalosis
The primary buffer system of the blood is a combo of ________ and it's salts _________
Hydrolauric acid, Sodium
Carbonic acid, Sodium bicarbonate
Carbonic acid, Sodium nitrate
Hydrolauric acid, Sodium bicarbonate
Oxidation during a reaction, transfer of electrons, change in oxidation number
A removal of oxygen, a loss of electrons, an increase in oxidation number
A combining with oxygen, a loss of electrons, an increase in oxidation number
A removal of oxygen, a combining with oxygen, a gaining of electrons
A decrease in oxidation number, a combining of oxygen, a removal of oxygen
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