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Chemistry Benchmark 4 BINGO Answers One way to get a reaction to reach completion (form the maximum amount of product) is to ________ product. o Remove In an endothermic reaction, heat is a __________. o Reactant In an exothermic reaction, heat is a __________. o Product Increasing the pressure of a reaction involving gases favors the side with _______ moles of gas. o Fewer Energy is represented by the letter ________. o E When a beta emission occurs, the atomic number of the isotope is ________. o Raised A stream of gamma radiation is also referred to as a gamma _______ because it does not have any mass or charge. o Ray In his famous experiment, Rutherford shot a stream of alpha _________. o Particles Alpha radiation is the same as __________. o Helium Beta radiation is the same as _________. o Electron A positive electron is known as a _________. o Positron When radiation is emitted, it goes on the ________ side of the nuclear equation. o Right When radiation is absorbed, it goes on the ________ side of the nuclear equation. o Left Absorbing or emitting gamma radiation ______ change the mass of the isotope. o Doesn’t Absorbing or emitting alpha radiation changes the atomic number of the isotope by _______. o Two A __________ is a nuclear particle that has mass, but does not have a charge. o Neutron A reaction is said to be in a state of __________ when the rate of the forward reaction equals the rate of the reverse reaction. o Equilibrium An unsaturated hydrocarbon chain contains at least one _______ bond. o Double ___________ is the study of processes and chemicals in living organisms. o Biochemistry In a ______________ reaction, several repeating units join together to form a larger structure. o Polymerization An alkyne is a hydrocarbon with at least one ________ bond. o Triple Amino acids form _______ bonds as they link to form proteins. o Peptide Polysaccharides are polymers of ______ molecules. o Sugar Which way would an endothermic reaction shift if you add liquid water? o Neither Le Chatlier’s principle describes which way a reaction at equilibrium will _____ when it is disturbed. o Shift ______________ is a measure of the amount of random collisions occurring in a substance. o Temperature ___________ chemicals can be solid metals, they can be compounds of metals and nonmetals, and are not usually created by living organisms. o Inorganic What does adding a pure solid to a reaction system at equilibrium? o Nothing Reaction rates always depend on ___________. o Temperature Catalysts speed up a reaction rate by lowering the _________. o Ea Amino acids determine the structure of this biomolecule. o Protein Fats and oils make up a category of biomolecules called _______. o Lipids A saturated hydrocarbon contains all _____ carbon-carbon bonds. o Single At equilibrium concentrations are _________ on both the reactant and product sides. o Constant After a catalyst has performed its function, it is ________. o Unaltered Nuclear force (the force that holds protons together in the nucleus) is strong enough to keep the nucleus together, despite the tendency of _______ to repel each other. o Protons When an organism dies, the ratio of this isotope within its carcass begins to gradually decrease at a predictable rate. Thus, when we measure the amount of this isotope in an organism, we can figure out how long ago it lived. o Carbon-14 Isotopes of the same element have the same atomic number, but different _____ numbers. o Mass Mass is not created or destroyed. It can be ________ into energy. o Converted The “m” in E=mc2 stands for ______. o Mass If you are reading a graph of concentration versus time for both reactants and products, the portion of the graph that shows that an equilibrium has been reached is when the concentrations of both reactants and products _________ constant. o Remain