In each of the following pairs, indicate which substance has the lower boiling point. (a) h5sil123302 or sii1 Substance I Substance II (b) NaBr or PBr3? PBr3 NaBr (c) H2O or HBr? HBr H2O

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Chapter1: Chemical Foundations
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In each of the following pairs, indicate which substance has the lower boiling point.

(a) h5sil123302 or sii1
Substance I
Substance II

(b) NaBr or PBr3?
PBr3
NaBr

(c) H2O or HBr?
HBr
H2O

**Chemical Structure:**

- **Formula:** CH₃CH₂CH₂CH₃
- **Name:** Butane (Substance I)

**Description:**

Butane is a straight-chain alkane composed of four carbon atoms and ten hydrogen atoms. It is a colorless and easily liquefied gas. Butane is primarily used as a fuel in lighters and portable stoves and is a key component of liquefied petroleum gas (LPG).

This structural formula represents a linear arrangement of carbon and hydrogen atoms, showcasing its saturated hydrocarbon nature.
Transcribed Image Text:**Chemical Structure:** - **Formula:** CH₃CH₂CH₂CH₃ - **Name:** Butane (Substance I) **Description:** Butane is a straight-chain alkane composed of four carbon atoms and ten hydrogen atoms. It is a colorless and easily liquefied gas. Butane is primarily used as a fuel in lighters and portable stoves and is a key component of liquefied petroleum gas (LPG). This structural formula represents a linear arrangement of carbon and hydrogen atoms, showcasing its saturated hydrocarbon nature.
The image displays the structural formula of a hydrocarbon labeled "Substance II." It consists of a central carbon atom (C) bonded to four groups: three methyl groups (CH₃) attached in different directions (left, right, and above) and one hydrogen atom (H) attached directly below the central carbon. This structure represents a branched alkane, specifically 2,2-dimethylpropane, also known as neopentane.
Transcribed Image Text:The image displays the structural formula of a hydrocarbon labeled "Substance II." It consists of a central carbon atom (C) bonded to four groups: three methyl groups (CH₃) attached in different directions (left, right, and above) and one hydrogen atom (H) attached directly below the central carbon. This structure represents a branched alkane, specifically 2,2-dimethylpropane, also known as neopentane.
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