CEM 142 MSU FINAL EXAM | 189
QUESTIONS | WITH COMPLETE
SOLUTIONS!!
1 of 189
Term
What is the definition of a weak acid
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ionizes fully in solution forms only ions in solution
does NOT fully ionize in
reacts strongly with water
solution
, Don't know?
2 of 189
Term
What are the two types of alloys?
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na+ and cl- electron pair donor
substitute and interstitial mixture of metals
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3 of 189
Term
The attraction between charges particles is caused by...
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electronegativity atomic size
polarity hydrogen bonding
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4 of 189
Term
Why are systems more likely to be in a mixed state?
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There are equal arrangements in There are more stable
this state, therefore entropy of arrangements in this state,
the universe remains constant therefore entropy of the
universe is minimized
There are a great
number of arrangements There are fewer arrangements in
in this state, therefore this state, therefore entropy of
entropy of the universe the universe would be decreasing
would be increasing
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5 of 189
Term
The pH of a strong acid will always be...
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, 1 The water loving head
-OH gain of electrons
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6 of 189
Term
What is the delta S of the system if a cup of water is on a
hot plate but the plate is below 273K?
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The delta S of the system will
be greater than 0 because the The delta S of the system will
number of arrangements be equal to 0 because the
increases as the water heats water remains in liquid form
up
The delta S of the system
The delta S of the system
will be less than 0
will be positive because the
because the number of
water evaporates
arrangements decreases
as the water freezes
Don't know?
7 of 189
QUESTIONS | WITH COMPLETE
SOLUTIONS!!
1 of 189
Term
What is the definition of a weak acid
Give this one a try later!
ionizes fully in solution forms only ions in solution
does NOT fully ionize in
reacts strongly with water
solution
, Don't know?
2 of 189
Term
What are the two types of alloys?
Give this one a try later!
na+ and cl- electron pair donor
substitute and interstitial mixture of metals
Don't know?
3 of 189
Term
The attraction between charges particles is caused by...
Give this one a try later!
electronegativity atomic size
polarity hydrogen bonding
, Don't know?
4 of 189
Term
Why are systems more likely to be in a mixed state?
Give this one a try later!
There are equal arrangements in There are more stable
this state, therefore entropy of arrangements in this state,
the universe remains constant therefore entropy of the
universe is minimized
There are a great
number of arrangements There are fewer arrangements in
in this state, therefore this state, therefore entropy of
entropy of the universe the universe would be decreasing
would be increasing
Don't know?
5 of 189
Term
The pH of a strong acid will always be...
Give this one a try later!
, 1 The water loving head
-OH gain of electrons
Don't know?
6 of 189
Term
What is the delta S of the system if a cup of water is on a
hot plate but the plate is below 273K?
Give this one a try later!
The delta S of the system will
be greater than 0 because the The delta S of the system will
number of arrangements be equal to 0 because the
increases as the water heats water remains in liquid form
up
The delta S of the system
The delta S of the system
will be less than 0
will be positive because the
because the number of
water evaporates
arrangements decreases
as the water freezes
Don't know?
7 of 189
