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EPRI Chemistry Test Chemistry Test EPRI Exam Lesson 5, 6, & 7 with All Questions and Answers
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EPRI Chemistry Test Chemistry Test EPRI Exam Lesson 5, 6, & 7 with All Questions and Answers
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EPRI Chemistry Test/ Chemistry Test EPRI Exam Lesson 5,6, & 7 with All Questions and Answers
The following are the purpose of:
-Protect the reactor coolant system pressure boundary integrity
-Protect fuel cladding integrity and fuel performance
Minimize out-of-core radiation fields
-Minimize corrosion of all secondary plant and auxiliary system
components - ANSWER >> Properly Controlled Power Plant Chemistry
Program
Dense nucleus includes protons (+) and neutrons (0) surrounded by
dense cloud of electrons in describe orbits (known as shells) - ANSWER
>> General Atomic Structure
atom that is electrically neutral; aka = amount of protons & electrons -
ANSWER >> ion
positively charged ions - ANSWER >> Cations
negatively charged ions - ANSWER >> Anions
atoms with same # of electrons in outermost shell will have similar
______ - ANSWER >> properties
atoms want to complete their outermost shell by having how many
electrons(in the outermost shell)? - ANSWER >> 8
how many electrons does the first shell of an atom need to be
complete? - ANSWER >> 2
,measure of number of electrons that an atom can give up to leave a
completed outermost shell - ANSWER >> Positive Valence
measure of number of electrons that an atom can take in to have a
completed outermost shell - ANSWER >> Negative Valence
Atoms don't want to give up/take in more than how many electrons? -
ANSWER >> 4
What type of chemical bonding transfers electrons? - ANSWER >> Ionic
Bond
What type of chemical bonding shares electrons? - ANSWER >>
Covalent Bond
All reactions must be _________; reactants must be accounted for in
products - ANSWER >> Balanced
What type of chemical reaction is when a substance gains electrons?
AKA GER - ANSWER >> Reduction Reaction
What type of chemical reaction is when a substance loses electrons?
AKA LEO - ANSWER >> Oxidation Reaction
GER stands for - ANSWER >> Gains Electrons Reduced
LEO stands for - ANSWER >> Loses Electrons Oxidation
The agent that supplies electrons is the? - ANSWER >> Reducing Agent
The agent that takes away lost electrons is the? - ANSWER >> Oxidizing
Agent
, What type of chemical reaction can show how electrons transfer into
and out of individual reactants/ products? - ANSWER >> Half-Cell
Reactions
What are the 3 factors that affect reaction rates? - ANSWER >>
Temperature, Catalyst, Concentration
What happens to the reaction rate if you increase the temperature? -
ANSWER >> increases
The presence of a catalyst in a chemical reaction increases the rate at
which ________ occurs? - ANSWER >> reaction
What forms an intermediate product with 1+ of reactants which lowers
activation energy for other reactants; intermediate product breaks up
and releases uncombined ______ and combined products? - ANSWER
>> Catalyst
Increasing concentration of reactant also results in greater chance of
other reactants colliding with ______ reactant - ANSWER >> Original
rate of chemical reaction is directly proportional to _________ of its
reactants - ANSWER >> Concentration
a compound that increases concentration of positively charged
hydrogen ions (H+) (and hydronium ions (H30+)) when dissolved in
water - ANSWER >> Acids
a compound that increases concentration of negatively charged
hydroxyl ions when dissolved in water (OH-) - ANSWER >> Bases
Acids have a pH balance ______ than 7 - ANSWER >> less
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