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State Symbols and Organic Decomposition

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Questions and Answers

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?

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?

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?

It indicates a liquid state. Signup and view all the answers

In the symbol equation for a reaction, which state symbol would you use for a solid reactant?

(s) Signup and view all the answers

What does the state symbol (s) indicate in a chemical equation?

The substance is a solid. Signup and view all the answers

Which of the following state symbols represents a substance that is dissolved in water?

(aq) Signup and view all the answers

In the symbol equation 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g), what does (g) indicate about H2?

H2 is in a gaseous state. Signup and view all the answers

Which state symbol would you use for a liquid reactant in a chemical equation?

(l) Signup and view all the answers

Considering the reaction 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g), which substance is in aqueous solution?

2NaOH Signup and view all the answers

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.