Chemistry 101
a chemical change resulting from a collision between atoms or molecules
What is a chemical reaction
chemical reaction that cause thermal energy to be absorbed
What is an endothermic reaction
Atoms that lose electrons are ___________
What are oxidized
The study of compounds contain carbon, whether or not the compounds were formed by living things
the study of the chemistry of living things
What is biochemistry
The original substances that undergo a chemical reaction
What are the reactants
When reactions occur at the same rate and the amount of chemicals remain balanced
What is chemical equilibrium
Solutions that conduct electricity and are made with electrolytes in an aqueous medium are called
What are electrolytic solutions
compounds that provide most of the energy for living things; composed entirely of elements carbon, hydrogen and oxygen in a ratio of 1:2:1
What are carbohydrates
The number before a molecular formula
What is a coefficient
a chemical reaction in which two or more substances combine to form a third substance
What is a combination reaction
Done to protect the underlying metals or simply for decoration. Uses redox reaction to make occur
What is electroplating
What are alkanes
polypeptides made of monomers of fatty acids linked by peptide bonds
What are lipids
A chemical equation that has the same number of each type of atoms on each side of the arrow is
What is a balanced reaction
a chemical reaction in which a compound breaks down or decomposes to form different substances
What is a decomposition reaction
An electrochemical cell that produces a chemical reaction through electrolysis (adding electricity)
What is an electrolytic cell
Organic substances that are made with hydrogen and carbon
What are hydrocarbons
complex organic polymers that are made of 20 different amino acids; important to build and maintain living cells
What are proteins
Five factors that affect the rate of a chemical reaction
What is activation energy, temperature, concentration, surface area and a catalyst
Reactions in which electrons are transferred between atoms
What is a redox reaction (oxidation-reduction reactions)
An electrochemical cell in which electricity is produced as a result of chemical reactions within the cells
What is a voltaic cell
Hydrocarbons where a hydrogen is replaced by a different functional group (H, OH, COOH, COO)
What are substituted hydrocarbons
the process of cellular respiration uses energy to synthesize a special phosphorus compounds called