Helium has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous. Concept Introduction: Element: When a substance cannot be broken down into simpler substances by chemical means, it is said to be an element. Compound: When a substance can be broken down into simpler substances by chemical means, it is said to be a compound. Mixture: The combination of two or more substances which can be separated by the differences in the physical properties of the substances is said to be a mixture. Homogeneous mixture: If the composition of mixture is uniform throughout, then it is said to be homogeneous mixture. Heterogeneous mixture: If the composition of mixture is changed from one part to another, then it is said to be heterogeneous mixture.

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Answer 1

Question

Chapter 1, Problem 1.39QE

(a)

Interpretation Introduction

Interpretation:

Helium has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Element:

When a substance cannot be broken down into simpler substances by chemical means, it is said to be an element.

Compound:

When a substance can be broken down into simpler substances by chemical means, it is said to be a compound.

Mixture:

The combination of two or more substances which can be separated by the differences in the physical properties of the substances is said to be a mixture.

Homogeneous mixture:

If the composition of mixture is uniform throughout, then it is said to be homogeneous mixture.

Heterogeneous mixture:

If the composition of mixture is changed from one part to another, then it is said to be heterogeneous mixture.

(b)

Interpretation Introduction

Interpretation:

A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

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22.7 Predict the monoalkylated products of the following reactions with benzene. (a) AlCl3 Ya (b) AlCl3 (c) H3PO4 (d) 22.8 Think-Pair-Share AICI3 The reaction below is a common electrophilic aromatic substitution. SO3 H₂SO4 SO₂H (a) Draw the reaction mechanism for this reaction using HSO,+ as the electrophile. (b) Sketch the reaction coordinate diagram, where the product is lower in energy than the starting reactant. (c) Which step in the reaction mechanism is highest in energy? Explain. (d) Which of the following reaction conditions could be used in an electrophilic aro- matic substitution with benzene to provide substituted phenyl derivatives? (i) AICI3 HNO3 H₂SO4 K2Cr2O7 (iii) H₂SO4 (iv) H₂PO₁

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Answer 2

Question

Chapter 1, Problem 1.39QE

(a)

Interpretation Introduction

Interpretation:

Helium has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Element:

When a substance cannot be broken down into simpler substances by chemical means, it is said to be an element.

Compound:

When a substance can be broken down into simpler substances by chemical means, it is said to be a compound.

Mixture:

The combination of two or more substances which can be separated by the differences in the physical properties of the substances is said to be a mixture.

Homogeneous mixture:

If the composition of mixture is uniform throughout, then it is said to be homogeneous mixture.

Heterogeneous mixture:

If the composition of mixture is changed from one part to another, then it is said to be heterogeneous mixture.

(b)

Interpretation Introduction

Interpretation:

A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

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Answer 3

Question

Chapter 1, Problem 1.39QE

(a)

Interpretation Introduction

Interpretation:

Helium has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Element:

When a substance cannot be broken down into simpler substances by chemical means, it is said to be an element.

Compound:

When a substance can be broken down into simpler substances by chemical means, it is said to be a compound.

Mixture:

The combination of two or more substances which can be separated by the differences in the physical properties of the substances is said to be a mixture.

Homogeneous mixture:

If the composition of mixture is uniform throughout, then it is said to be homogeneous mixture.

Heterogeneous mixture:

If the composition of mixture is changed from one part to another, then it is said to be heterogeneous mixture.

(b)

Interpretation Introduction

Interpretation:

A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

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Answer 4

Question

Chapter 1, Problem 1.39QE

(a)

Interpretation Introduction

Interpretation:

Helium has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Element:

When a substance cannot be broken down into simpler substances by chemical means, it is said to be an element.

Compound:

When a substance can be broken down into simpler substances by chemical means, it is said to be a compound.

Mixture:

The combination of two or more substances which can be separated by the differences in the physical properties of the substances is said to be a mixture.

Homogeneous mixture:

If the composition of mixture is uniform throughout, then it is said to be homogeneous mixture.

Heterogeneous mixture:

If the composition of mixture is changed from one part to another, then it is said to be heterogeneous mixture.

(b)

Interpretation Introduction

Interpretation:

A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

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Answer 5

Chapter 1, Problem 1.39QE

(a)

Interpretation Introduction

Interpretation:

Helium has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Element:

When a substance cannot be broken down into simpler substances by chemical means, it is said to be an element.

Compound:

When a substance can be broken down into simpler substances by chemical means, it is said to be a compound.

Mixture:

The combination of two or more substances which can be separated by the differences in the physical properties of the substances is said to be a mixture.

Homogeneous mixture:

If the composition of mixture is uniform throughout, then it is said to be homogeneous mixture.

Heterogeneous mixture:

If the composition of mixture is changed from one part to another, then it is said to be heterogeneous mixture.

(b)

Interpretation Introduction

Interpretation:

A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(c)

Interpretation Introduction

Interpretation:

Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

(d)

Interpretation Introduction

Interpretation:

Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Answer 6

Chapter 1, Problem 1.39QE

(a)

Interpretation Introduction

Interpretation:

Helium has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Element:

When a substance cannot be broken down into simpler substances by chemical means, it is said to be an element.

Compound:

When a substance can be broken down into simpler substances by chemical means, it is said to be a compound.

Mixture:

The combination of two or more substances which can be separated by the differences in the physical properties of the substances is said to be a mixture.

Homogeneous mixture:

If the composition of mixture is uniform throughout, then it is said to be homogeneous mixture.

Heterogeneous mixture:

If the composition of mixture is changed from one part to another, then it is said to be heterogeneous mixture.

Answer 7

Chapter 1, Problem 1.39QE

(a)

Interpretation Introduction

Interpretation:

Helium has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Element:

When a substance cannot be broken down into simpler substances by chemical means, it is said to be an element.

Compound:

When a substance can be broken down into simpler substances by chemical means, it is said to be a compound.

Mixture:

The combination of two or more substances which can be separated by the differences in the physical properties of the substances is said to be a mixture.

Homogeneous mixture:

If the composition of mixture is uniform throughout, then it is said to be homogeneous mixture.

Heterogeneous mixture:

If the composition of mixture is changed from one part to another, then it is said to be heterogeneous mixture.

Answer 8

(b)

Interpretation Introduction

Interpretation:

A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Answer 9

(b)

Interpretation Introduction

Interpretation:

A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Answer 10

(c)

Interpretation Introduction

Interpretation:

Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Answer 11

(c)

Interpretation Introduction

Interpretation:

Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Answer 12

(d)

Interpretation Introduction

Interpretation:

Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Answer 13

(d)

Interpretation Introduction

Interpretation:

Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Answer 14

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Answer 15

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Answer 16

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Answer 17

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Solution Summary: The author explains that Helium can be classified as an element, compound, or mixture. A muddy river is a mixture of water and mud.

Concept explainers

Videos

Interpretation:

A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Interpretation:

Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Interpretation:

Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Want to see the full answer?

Chapter 1 Solutions

Solution Summary: The author explains that Helium can be classified as an element, compound, or mixture. A muddy river is a mixture of water and mud.

Concept explainers

Videos

Interpretation: A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous. Concept Introduction: Refer to part-a.

Interpretation: Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous. Concept Introduction: Refer to part-a.

Interpretation: Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous. Concept Introduction: Refer to part-a.

Want to see the full answer?

Chapter 1 Solutions

Interpretation:

A muddy river has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Interpretation:

Window glass has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.

Interpretation:

Paint has to be classified as an element, a compound or a mixture. The mixture has to be identified as homogeneous or heterogeneous.

Concept Introduction:

Refer to part-a.