These questions will not immediately show you if you are correct or incorrect (sorry...).
Each video is approximately 5 minutes in length.
You need to watch and listen to each video very carefully and answer each question based on each video.
The video will pause to permit you to answer the questions to the right of each video.
When you are complete, submit your questions; then you can see your score. If you score below a 70% (17.5/25 = 70%), you may attempt this assignment again (open it and edit your answers).
These questions will not immediately show you if you are correct or incorrect (sorry...).
Each video is approximately 5 minutes in length.
You need to watch and listen to each video very carefully and answer each question based on each video.
The video will pause to permit you to answer the questions to the right of each video.
When you are complete, submit your questions; then you can see your score. If you score below a 70% (17.5/25 = 70%), you may attempt this assignment again (open it and edit your answers).
Question 1
00:59
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Question 2
01:33
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Question 3
01:40
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Question 4
01:53
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Question 5
01:54
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Question 6
01:55
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Question 7
02:36
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Question 8
03:17
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Question 9
03:38
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Question 10
04:35
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Question 11
04:46
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Question 12
04:49
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Question 13
04:50
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Question 14
04:51
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Question 15
05:24
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Question 16
00:21
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Question 17
00:57
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Question 18
02:02
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Question 19
02:37
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Question 20
02:38
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Question 21
05:05
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Question 22
05:18
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Question 23
05:50
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Question 11
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The acid is always on the _______ side of the arrow.
The conjugate acid is always on the _______ side of the arrow.
The base is always on the _______ side of the arrow.
The conjugate base is always on the _______ side of the arrow.
Question 12
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Question 13
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Question 14
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Question 15
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What does amphoteric mean?
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Question 23
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Which of the following is not a property of an acid?
forms a strong electrolyte in solution
taste bitter
changes color with an indicator
corrosive
Arrhenius's concluded that acids create ___ ions and bases create ____ ions
hydroxide; hydroxide
hydrogen; hydroxide
hydrogen; hydrogen
hydroxide; hydrogen
Hydrochloric acid is a...
polar ionic compound
molecule
alkaline molecule
ionic compound
What does it mean to be "ionizable"?
To dissociate into particles.
To break up molecules or compounds into its ions
To be add a negative charge
To add a positive charge
How does HCl ionize?
HCl → H++ Cl--
HCl → H- + Cl+
HCl → HCl--
HCl → HCl+
How would NaOH ionize?
NaOH → Na+ + O2- + H-
NaOH → NaOH+
NaOH → NaOH--
NaOH → Na+ + OH--
What is the aqueous form of H+?
water (H2O)
hydrogen (H)
hydronium (H3O+)
hydrogen (H2)
What makes this compound (NaOH) a base?
Releases NaOH
Produces OH-
Forms NaOH
Accepts H-
Produces Na+
What is wrong with the Arrhenius definition?
All acids do not produce H+
All bases do not produce OH-
All acids do not accept OH-
All bases do not accept H+
What is true of the acid and the conjugate acid?
They both will have a pH of greater than 7.00
They both will have a pH of less than 7.00
They both donate H+.
They both are positively charged.
In this reaction, HCl is the ...
acid
base
conjugate base
conjugate acid
In the reaction, Cl- is the...
base
conjugate base
conjugate acid
acid
In this reaction, H2O is the ...
base
conjugate acid
conjugate base
acid
What does the pH scale mean?
The amount of protons in a solution
The amount of Hydronium ions in solution
The amount of Hydrogen ions in a solution
The amount of Hydroxide ions in solution
Pure water (distilled water) is considered to be:
Weak Base
Weak Acid
And acid and a base
Neutral
A pH of 4 compared to a 6...
Has a high and a low concentration of hydrogen ions
Has less hydrogen ions
Forms more OH-
Has more hydrogen ions
A substance with a pH of 9 is considered a...
base
aqueous solution
vinegar
acid
A substance with a pH of 4 is considered a...
lemon juic
base
aqueous solution
acid
A pH of 1 is how much more acidic than 2?
100
1000
10
1
The pH of a solution goes from 8 to 6. By what factor does it become more acidic.
1
1000
10
100
A solution that is basic has more of which types of ions?