chem 134 test 2 summer 2 ) exam NeWest 2026 actuaL exam QuestIONs aND
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what is a statement that correctly describes a spontaneous process? - ANSWER-All
spontaneous processes proceed without outside intervention.
What major factor leads to a decrease in entropy as the reaction shown takes place? -
ANSWER-The decrease in the number of molecules due to the formation of new bonds.
If a process is exothermic, does the entropy of the surroundings always increase,
always decrease, or sometimes increase and sometimes decrease, depending on the
process? - ANSWER-always increase
Do all exothermic phase changes have a negative value for the entropy change of the
system? - ANSWER-Yes, because the heat transferred from the system has a negative
sign.
What can be said about an endothermic reaction with a negative entropy change? -
ANSWER-spontaneous in the reverse direction at all temperatures.
What can be said about an exothermic reaction with a negative entropy change? -
ANSWER-spontaneous at low temperatures.
what is a spontaneous process - ANSWER-a process that proceeds on its own without
any outside assistance
what is a reversable process - ANSWER-a way in which a system change that can be
restored to its original state by exactly reversing the change
what is an irreversible process - ANSWER-a change that cannot simply be reversed to
restore the system and its surroundings to their original states
cOrrect aNsWers (VerIFIeD) | Latest uPDate 2026/2027 | GraDeD a+ |
BraND NeW | 100% GuaraNteeD Pass
what is a statement that correctly describes a spontaneous process? - ANSWER-All
spontaneous processes proceed without outside intervention.
What major factor leads to a decrease in entropy as the reaction shown takes place? -
ANSWER-The decrease in the number of molecules due to the formation of new bonds.
If a process is exothermic, does the entropy of the surroundings always increase,
always decrease, or sometimes increase and sometimes decrease, depending on the
process? - ANSWER-always increase
Do all exothermic phase changes have a negative value for the entropy change of the
system? - ANSWER-Yes, because the heat transferred from the system has a negative
sign.
What can be said about an endothermic reaction with a negative entropy change? -
ANSWER-spontaneous in the reverse direction at all temperatures.
What can be said about an exothermic reaction with a negative entropy change? -
ANSWER-spontaneous at low temperatures.
what is a spontaneous process - ANSWER-a process that proceeds on its own without
any outside assistance
what is a reversable process - ANSWER-a way in which a system change that can be
restored to its original state by exactly reversing the change
what is an irreversible process - ANSWER-a change that cannot simply be reversed to
restore the system and its surroundings to their original states
