Podcast
Questions and Answers
Which of the following is classified as a strong acid?
Which of the following is classified as a strong acid?
- HF
- HCl (correct)
- H₂CO₃
- CH₃COOH
What do acids release when dissolved in water?
What do acids release when dissolved in water?
- Hydrogen ions (H⁺) (correct)
- Sodium ions (Na⁺)
- Hydroxide ions (OH⁻)
- Chloride ions (Cl⁻)
Which indicator would likely turn blue in a basic solution?
Which indicator would likely turn blue in a basic solution?
- Methyl orange
- Phenolphthalein
- Litmus paper (correct)
- Universal Indicator
Which of the following definitions correctly describes a base?
Which of the following definitions correctly describes a base?
Which weak acid is represented by the formula H₂CO₃?
Which weak acid is represented by the formula H₂CO₃?
What is produced when an acid reacts with a metal carbonate?
What is produced when an acid reacts with a metal carbonate?
Which of the following is a characteristic of strong bases?
Which of the following is a characteristic of strong bases?
Which equation correctly represents a neutralization reaction?
Which equation correctly represents a neutralization reaction?
Which of the following is an example of a weak base?
Which of the following is an example of a weak base?
When an acid reacts with a metal, what two products are formed?
When an acid reacts with a metal, what two products are formed?
Flashcards
Strong Acid Formula
Strong Acid Formula
A chemical compound that dissociates completely in water, releasing hydrogen ions (H+)
Acid Definition
Acid Definition
A substance releasing Hydrogen ions (H⁺) when dissolved in water; a proton donor
Base Definition
Base Definition
A substance releasing hydroxide ions (OH⁻) when dissolved in water; a proton acceptor
pH Scale Indicators
pH Scale Indicators
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Strong Acid Example Formula
Strong Acid Example Formula
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Neutralization Reaction
Neutralization Reaction
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Strong Base
Strong Base
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Weak Base
Weak Base
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Acid + Metal Carbonate Reaction
Acid + Metal Carbonate Reaction
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Acid + Metal Reaction
Acid + Metal Reaction
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Study Notes
Strong Acids
- HCL: Hydrochloric acid
- HNO₃: Nitric acid
- H₂SO₄: Sulphuric acid
- H₃PO₄: Phosphoric acid
- HF: Hydrofluoric acid
Weak Acids
- CH₃COOH: Ethanoic acid
- H₂CO₃: Carbonic acid
Calculating Mass
- m = mass
- M = molar mass
- n = number of moles
- Avogadro's number: 6.02 x 10²³ molecules/mole
pH Scale
- Universal Indicator: Red -> Acid, Green -> Neutral, Blue -> Base
- Litmus Paper: Red -> Acid, Blue -> Base
- PPT/Phenolphthalein: Colorless -> Acid, Pink -> Base
Acids
- An acid is a proton donor
- Releases H⁺ ions in water
Bases
- A base is a proton acceptor
- Releases OH⁻ ions in water
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