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Chemistry Benchmark 4 BINGO Answers
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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
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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
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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