Substance A, B, and C has to be classified as element, or compound, or no such classification possible from the given reaction A + B → C . Concept Introduction: Element is a pure substance and it cannot be broken down into simpler pure substance by chemical means like chemical reaction , electric current , heat, or light. Compound is also a pure substance that can be broken down into simpler substance by chemical means and not physical means.

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Chapter 1, Problem 1.31EP

(a)

Interpretation Introduction

Interpretation:

Substance A, B, and C has to be classified as element, or compound, or no such classification possible from the given reaction A + B → C.

Concept Introduction:

Element is a pure substance and it cannot be broken down into simpler pure substance by chemical means like chemical reaction, electric current, heat, or light.

Compound is also a pure substance that can be broken down into simpler substance by chemical means and not physical means.

(b)

Interpretation Introduction

Interpretation:

Substance D, E, F, and G has to be classified as element, or compound, or no such classification possible from the given reaction D → E + F + G.

Concept Introduction:

Element is a pure substance and it cannot be broken down into simpler pure substance by chemical means like chemical reaction, electric current, heat, or light.

Compound is also a pure substance that can be broken down into simpler substance by chemical means and not physical means.

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