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Unit 3: Physical Science Exam Review
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Which of the following are acids? lemon, lime, milk, eggs, water, stomach acid
lemon, lime, water, stomach acid
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Calculate the pH of a 1x10-3 M solution of HCl. Acidic or Basic?
pH= 3, Acidic
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What is the pH range for neutral solutions?
pH= 7
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If pOH= 6, what is the pH? Is it acidic or basic?
pH= 8, Basic
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What is the pH range for acidic solutions?
pH < 7
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If pH=2, what is the pOH? Is it acidic or basic?
pOH= 12, acidic
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Label the acid and base for the reaction: NaHCO3 + HCl ----> NaCl + H2CO3
NaHCO3= Base, HCl= Acid
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Which of the following are bases? grapes, milk, eggs, water, bleach, soap, ammonia
water, bleach, soap, ammonia
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Label the acid and base for the reaction: H2SO4 + NH3 ----> HSO4- + NH4+
H2SO4= Acid, NH3= Base
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Label the acid and base for the reaction: HC2H3O2 + H2O ----> H3O+ + C2H3O2-
HC2H3O2= Acid, H2O= Base
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Complete the net ionic equation: HCl ---->
HCl ----> H+ (aq) + Cl- (aq)
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If you have blue litmus paper in the presence of an acid, it turns what color?
RED
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Complete the net ionic equation: KOH ---->
KOH ----> K+ (aq) + OH- (aq)
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Calculate the pH of a 1x10-9 M solution of NaOH.
pH=9, Basic
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Water is known as amphoteric, which means it can act as an acid or a base. How does this work?
H2O + Acid: H2O= Base, H2O + Base: H2O=Acid
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Complete the net ionic equation: NaOH ---->
NaOH ----> Na+ (aq) + OH- (aq)
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If you have red litmus paper in the presence of a base, it turns what color?
BLUE
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What kind of acid/base dissociates completely? (strong or weak?)
STRONG
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What is the pH range for basic solutions?
pH > 7
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If pH= 7, what is the pOH? Is it acidic or basic?
pOH= 7, Neutral
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If pOH= 4, what is the pH? Is it acidic or basic?
pH= 10, Acidic
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Calculate the pH of a 1x10-2 M solution of HF.
pH=2, Acidic
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If pOH= 7, what is the pH? Is it acidic or basic?
pH= 7, Neutral
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If pH= 10, what is the pOH? Is it acidic or basic?
pOH= 4, Basic
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