Chemistry Acids Bases Ph Basics
Master 28 essential acid-base and pH concepts
What You'll Learn
Learn acids, bases, and pH with free chemistry flashcards. Review definitions, strong vs weak behavior, indicators, neutralization, and common examples.
Key Topics
- Covers acid and base properties and common definitions
- Explains pH, pOH, and ion concentration relationships
- Includes strong/weak acid-base comparisons
- Great for intro chemistry and exam review
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How to study this deck
Start with a quick skim of the questions, then launch study mode to flip cards until you can answer each prompt without hesitation. Revisit tricky cards using shuffle or reverse order, and schedule a follow-up review within 48 hours to reinforce retention.
Preview: Chemistry Acids Bases Ph Basics
Question
Acid (Arrhenius) definition
Answer
Substance that increases H+ in water
Question
Base (Arrhenius) definition
Answer
Substance that increases OH- in water
Question
Acid (Brønsted-Lowry) definition
Answer
Proton donor
Question
Base (Brønsted-Lowry) definition
Answer
Proton acceptor
Question
Conjugate base forms when an acid
Answer
Loses a proton (H+)
Question
Conjugate acid forms when a base
Answer
Gains a proton (H+)
Question
pH less than 7 indicates
Answer
Acidic solution
Question
pH equal to 7 indicates
Answer
Neutral solution
Question
pH greater than 7 indicates
Answer
Basic (alkaline) solution
Question
Mathematical definition of pH
Answer
pH = -log[H+]
Question
Mathematical definition of pOH
Answer
pOH = -log[OH-]
Question
At 25°C, relationship between pH and pOH
Answer
pH + pOH = 14
Question
Strong acid behavior in water
Answer
Nearly complete ionization
Question
Weak acid behavior in water
Answer
Partial ionization
Question
Strong base behavior in water
Answer
Nearly complete dissociation
Question
Weak base behavior in water
Answer
Partial reaction with water
Question
Common strong acid: HCl name
Answer
Hydrochloric acid
Question
Common strong acid: HNO3 name
Answer
Nitric acid
Question
Common strong acid: H2SO4 name
Answer
Sulfuric acid
Question
Common strong base: NaOH name
Answer
Sodium hydroxide
Question
Common strong base: KOH name
Answer
Potassium hydroxide
Question
Litmus paper in acid turns
Answer
Red
Question
Litmus paper in base turns
Answer
Blue
Question
Phenolphthalein in basic solution is
Answer
Pink
Question
Acid + base reaction type
Answer
Neutralization
Question
Products of acid-base neutralization
Answer
Salt and water
Question
High [H+] means pH is
Answer
Low
Question
10x decrease in [H+] changes pH by
Answer
+1 unit