Compounds & Mixtures
The formula CS2 represents what covalent compound?
Carbon Disulfide
What is a number that indicates how many molecules or formula units of a substance are involved in a chemical reaction?
Coefficient
What element forms more chemical compounds than all other elements combined?
Carbon
What type of electrochemical cell produces electricity from chemical reactants continually replenished from an outside source?
Fuel Cell
True OR False. Any ionic compound that does not contain a hydrogen ion or hydroxide is salt.
TRUE
What is the kinetic energy necessary for molecules to chemically react?
Activation Energy
What are the new substances produced by a chemical reaction?
Products
What is the intermolecular force that occurs between all molecules? Double Bonus -- what is the strongest intermolecular force?
London force
Double Bonus - Hydrogen Bond
What type of reaction occurs when a strong acid reacts with a strong base to produce water and salt?
Neutralization Reaction
These hydrocarbons have a cyclic structure with delocalized electrons...
aromatic hydrocarbons
What is the name of the compound MgCl2?
Magnesium Chloride
What is a substance that alters the rate of a chemical reaction without being permanently changed by a reaction?
Catalyst
What type of formula shows the simplest ratio of atoms in a compound?
Empirical formula
What are the special proteins that initiate or regulate chemical reactions?
Enzymes
Alcohols
What two factors determine vapor pressure?
molecular mass & types of intermolecular forces
What type of bond links amino acids into proteins?
peptide bond
What is the type of chemical reaction in which a compound breaks down?
decomposition
What type of reaction occurs in which electrons are transferred between atoms?
Redox Reaction
Which functional group contains COOH?
Carboxylic Acids
This organic compound group has one or more double bonds between carbon atoms
Alkenes
What bond has valence electrons that are shared by all the atoms in a substance?
Metallic Bond
What principle states that when a system at equilibrium is disturbed, the system will react to partially offset the disturbance?
Le Chatelier's principle
Which law of thermodynamics states that every chemical reaction causes a decrease in usable energy & an increase in entropy? This law can also be used to determine whether a reaction is spontaneous....
Second Law of Thermodynamics
Glycogen is a ______________ used for short term fuel storage in animals and people.
Polysaccharide