Final Jeopardy
description
Transcript of Final Jeopardy
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Characteristics
Neutralization pH Identificati
on Calculation Grab Bag
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$1000 $1000 $1000 $1000 $1000 $1000
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Final Jeopardy
Math!
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Final Jeopardy1x10-10 – water is neutral, therefore has pH of 7
1000=10x10x10=103 means change of 3
More basic so pH =7+3=10
pH 10 means [H+] = 1x10-10
A substance 1000x more basic than water would have
what [H+] concentration?
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What is a base? (Number 12 on review)
This type of substance is generally slippery and
releases OH- in solution.
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What are acids? (Number 11)
These substances taste sour.
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What are bases?
These substances generally taste bitter.
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What are both acids and bases (Numbers 11 and 12 on review)
These substances are good electrolytes.
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What are acids?
These substances release H+ ions in solution.
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What is weak? (Number 4)
This type of acids and bases partially dissociate in water.
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Mg(OH)2 + H2SO4 MgSO4 + H2O
Base Acid Salt Water
(Number 1)
Identify the parts of the following neutralization reaction:
Mg(OH)2 + H2SO4 MgSO4 + H2O
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What is strong?
This type of acid or base completely disassociates in
water.
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Water and a salt.
These are the products when an acid and a base react
together.
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What is double replacement? (Number 2)
Neutralization reactions are this type of reaction.
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What are bases? (Number 5)
These substances turn red litmus paper blue.
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What are acids (number 6)?
These substances turn blue litmus paper red.
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10 (Number 8)
A solution with a pH of 14 is how many more times basic than a solution with a pH of 13?
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How should you make an acidic solution? a. add acid to waterb. add water to acidc. add both at the same timed. you should never make an acidic solution because
it’s too dangerous
A (Number 27)
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Draw the pH scale. Label the following: The range of pH’s shown on the scaleWhere a neutral solution would beWhere the strongest acids and strongest bases would be
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a) base b) acid c) acid d) acid
Number 9 a-dIdentify each of the following as acids
or bases:
a) NaOHb) HClc) HFd) HNO3
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e) base f) base g) acid h) base
(Number 9:e-g)
Identify each of the following as an acid or base:
e) Al(OH)3
f) KOHg) HIh) NH4OH
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Sour / high
If you ever tasted HCl(which you wouldn’t because you are smart), it would most likely
taste _____ and have a _____ concentration of H+ ions.
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Slippery / low
Calcium hydroxide feels _________ and has a _____ concentration of H+ ions.
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Al+3(OH)-1
Al(OH)3
What is the formula of Aluminum hydroxide?
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pH = 6.44 pOH=14-6.44=7.56
What are the pH and pOH of a solution with a [H+] of 3.64 x 10-7?
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$4000.26 mol/0.457 L = 0.57 M
pOH =-log[0.57] = 0.24
What is the pOH of a solution in which 0.26 moles of
sodium hydroxide (NaOH) was dissolved in .457 L of
water.
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1000
A solution with a pH of 4 is how many times more acidic than a solution with a pH of 7?
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# [H+] pH A/B/N1 8.91 x 10-4
2 7
3 2
4 1x10-11M
Complete the following table:
# [H+] pH A/B/N1 8.91 x 10-4 3.05 Acid
2 1x10-7 7 Neutral
3 1x10-2 2 Acid
4 1x10-11M 11 Base
Number 13!
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$100010000 = 10x10x10x10 = 104
Means a change in pH of 4, so it has pH of 5
What pH would a substance that is 10000x more acidic than one with a pH 9 have?
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Strong Base (Number 18)
If calcium hydroxide completely dissociates into
positive and negative ions in water, then it is a _________.
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If HC2H3O2 partially dissociates in water, then it is a
_______________________.
Weak acid. (Number 19)
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True/False/False/True (Number 24)
True or False? _____Strong acids almost completely dissociate in water while weak acids partially dissociate in water._____Strong acids partially dissociate in water while weak acids almost completely dissociate in water. _____Weak acids always have a lower pH than strong acids._____Strong acids produce hydroxide ions in solution and weak acids produce hydronium ions in solution.
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$80010.3 M NaOH (Number 25)
Which solution is more concentrated, 10.3 M NaOH or 7.5 M HCl?
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Strong – brightweak – dim,
non – turned off(Number 26)
What happens to a light bulb connected to an aqueous solution when you have a strong electrolyte? Weak electrolyte? Nonelectrolyte?
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Daily Double
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Daily Double
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The Jeopardy The Jeopardy Champion!Champion!