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Questions and Answers
What state symbol represents a gas in a chemical reaction?
What state symbol represents a gas in a chemical reaction?
- (aq)
- (s)
- (l)
- (g) (correct)
In the reaction 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g), what does (aq) signify?
In the reaction 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g), what does (aq) signify?
- The substance is dissolved in water. (correct)
- The substance is a solid.
- The substance is a liquid.
- The substance is a gas.
Which of the following is a correct application of state symbols in a chemical equation?
Which of the following is a correct application of state symbols in a chemical equation?
- 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g) (correct)
- 2Na(s) + 2H2O(l) → 2NaOH(g) + H2(l)
- 2Na(g) + 2H2O(s) → 2NaOH(l) + H2(aq)
- 2Na(l) + 2H2O(g) → 2NaOH(s) + H2(aq)
What is the correct interpretation of the state symbol (l) in a chemical equation?
What is the correct interpretation of the state symbol (l) in a chemical equation?
In the symbol equation for a reaction, which state symbol would you use for a solid reactant?
In the symbol equation for a reaction, which state symbol would you use for a solid reactant?
What does the state symbol (s) indicate in a chemical equation?
What does the state symbol (s) indicate in a chemical equation?
Which of the following state symbols represents a substance that is dissolved in water?
Which of the following state symbols represents a substance that is dissolved in water?
In the symbol equation 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g), what does (g) indicate about H2?
In the symbol equation 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g), what does (g) indicate about H2?
Which state symbol would you use for a liquid reactant in a chemical equation?
Which state symbol would you use for a liquid reactant in a chemical equation?
Considering the reaction 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g), which substance is in aqueous solution?
Considering the reaction 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g), which substance is in aqueous solution?
Flashcards
State Symbols
State Symbols
Symbols used in chemical equations to indicate the physical state of reactants and products.
(s)
(s)
Represents a solid substance in a chemical reaction.
(l)
(l)
Represents a liquid substance in a chemical reaction.
(g)
(g)
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(aq)
(aq)
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What does (s) represent in a chemical equation?
What does (s) represent in a chemical equation?
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What does (l) represent in a chemical equation?
What does (l) represent in a chemical equation?
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What does (g) represent in a chemical equation?
What does (g) represent in a chemical equation?
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What does (aq) represent in a chemical equation?
What does (aq) represent in a chemical equation?
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Study Notes
State Symbols in Chemical Equations
- State symbols indicate the physical state of reactants and products in a chemical reaction.
- The physical states include solid (s), liquid (l), gas (g), and aqueous (aq) for dissolved substances in water.
- Example: 2Na(s) + 2H₂O(l) → 2NaOH(aq) + H₂(g) shows sodium (solid), water (liquid), sodium hydroxide (aqueous), and hydrogen (gas) in this reaction.
Organic Compound Decomposition
- An example of an organic compound decomposition is C₆H₅N₂Cl(aq) → C₆H₅Cl(l) + N₂(g).
- The reactant (C₆H₅N₂Cl) is aqueous (dissolved in water). The product (C₆H₅Cl) is liquid, and the product (N₂) is a gas.
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Description
This quiz covers the importance of state symbols in chemical equations, detailing the physical states of reactants and products. You will also explore examples of organic compound decomposition, enhancing your understanding of chemical reactions. Test your knowledge with various quiz questions related to these topics.
