Matter (Physical substance in general which occupies space and possesses rest mass) Solid Liquid Gas (1) A solid is a sample of matter that retains its shape and density when not confined. (2) Strong molecular force of attraction exist between atoms ions molecules. (1) A liquid is a sample of matter that conforms to shape of container in which it is held and which acquires a defined surface in the presence of gravity. (2) Weak molecular force of attraction exists between atoms/ions/molecule. (1) A gas is a sample of matter that conforms to the shape of container in which it is placed and acquire whole volume of container. (2) Negligible force of attraction exists between atoms/ion/molecules. Concept Introduction: Physical change: physical change occurs when a substance alters its state ( Phase change ) , but does not change its chemical composition. State of matter depends upon temperature and pressure. As temperature or pressure or both change then state of matter may also change. Phase change: transition of a substance from one state to another state Phase: it is defined as a homogenous portion of a system that has uniform physical and chemical characteristic. Draw initial temperature and pressure on phase diagram identify the initial phase similarly draw final temperature and pressure on phase diagram identify the final phase. After that you can decide which phase transition occurs. To determine: A sample of the substance in this phase diagram is initially at 175 0 C and 925 m m H g . Which phase transition occurs when the pressure is decreased to 760 m m H g at constant temperature? ( a ) Solid to liquid. ( b ) Liquid to gas. ( c ) Solid to gas. ( d ) Liquid to solid.

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Answer 1

Question

Chapter 13, Problem 2SAQ

Interpretation Introduction

Interpretation:

Matter

(Physical substance in general which occupies space and possesses rest mass)

Solid Liquid Gas

(1) A solid is a sample of matter that retains its shape and density when not confined.
(2) Strong molecular force of attraction exist between atoms ions molecules. (1) A liquid is a sample of matter that conforms to shape of container in which it is held and which acquires a defined surface in the presence of gravity.
(2) Weak molecular force of attraction exists between atoms/ions/molecule. (1) A gas is a sample of matter that conforms to the shape of container in which it is placed and acquire whole volume of container.
(2) Negligible force of attraction exists between atoms/ion/molecules.

Concept Introduction:

Physical change: physical change occurs when a substance alters its state $(Phase change)$ , but does not change its chemical composition.

State of matter depends upon temperature and pressure. As temperature or pressure or both change then state of matter may also change.

Phase change: transition of a substance from one state to another state

Phase: it is defined as a homogenous portion of a system that has uniform physical and chemical characteristic.

Draw initial temperature and pressure on phase diagram identify the initial phase similarly draw final temperature and pressure on phase diagram identify the final phase. After that you can decide which phase transition occurs.

To determine:

A sample of the substance in this phase diagram is initially at $175^{0} C$ and $925 m m H g$ . Which phase transition occurs when the pressure is decreased to $760 m m H g$ at constant temperature?

$(a)$ Solid to liquid.

$(b)$ Liquid to gas.

$(c)$ Solid to gas.

$(d)$ Liquid to solid.

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(a 4 shows scanning electron microscope (SEM) images of extruded actions of packing bed for two capillary columns of different diameters, al 750 (bottom image) and b) 30-μm-i.d. Both columns are packed with the same stationary phase, spherical particles with 1-um diameter. A) When the columns were prepared, the figure shows that the column with the larger diameter has more packing irregularities. Explain this observation. B) Predict what affect this should have on band broadening and discuss your prediction using the van Deemter terms. C) Does this figure support your explanations in application question 33? Explain why or why not and make any changes in your answers in light of this figure. Figure 4 SEM images of sections of packed columns for a) 750 and b) 30-um-i.d. capillary columns.³

fcrip = ↓ bandwidth Il temp 32. What impact (increase, decrease, or no change) does each of the following conditions have on the individual components of the van Deemter equation and consequently, band broadening? Increase temperature Longer column Using a gas mobile phase instead of liquid Smaller particle stationary phase Multiple Paths Diffusion Mass Transfer

34. Figure 3 shows Van Deemter plots for a solute molecule using different column inner diameters (i.d.). A) Predict whether decreasing the column inner diameters increase or decrease bandwidth. B) Predict which van Deemter equation coefficient (A, B, or C) has the greatest effect on increasing or decreasing bandwidth as a function of i.d. and justify your answer. Figure 3 Van Deemter plots for hydroquinone using different column inner diameters (i.d. in μm). The data was obtained from liquid chromatography experiments using fused-silica capillary columns packed with 1.0-μm particles. 35 20 H(um) 큰 20 15 90 0+ 1500 100 75 550 01 02 594 05 μ(cm/sec) 30 15 10

Answer 2

Question

Chapter 13, Problem 2SAQ

Interpretation Introduction

Interpretation:

Matter

(Physical substance in general which occupies space and possesses rest mass)

Solid Liquid Gas

(1) A solid is a sample of matter that retains its shape and density when not confined.
(2) Strong molecular force of attraction exist between atoms ions molecules. (1) A liquid is a sample of matter that conforms to shape of container in which it is held and which acquires a defined surface in the presence of gravity.
(2) Weak molecular force of attraction exists between atoms/ions/molecule. (1) A gas is a sample of matter that conforms to the shape of container in which it is placed and acquire whole volume of container.
(2) Negligible force of attraction exists between atoms/ion/molecules.

Concept Introduction:

Physical change: physical change occurs when a substance alters its state $(Phase change)$ , but does not change its chemical composition.

State of matter depends upon temperature and pressure. As temperature or pressure or both change then state of matter may also change.

Phase change: transition of a substance from one state to another state

Phase: it is defined as a homogenous portion of a system that has uniform physical and chemical characteristic.

Draw initial temperature and pressure on phase diagram identify the initial phase similarly draw final temperature and pressure on phase diagram identify the final phase. After that you can decide which phase transition occurs.

To determine:

A sample of the substance in this phase diagram is initially at $175^{0} C$ and $925 m m H g$ . Which phase transition occurs when the pressure is decreased to $760 m m H g$ at constant temperature?

$(a)$ Solid to liquid.

$(b)$ Liquid to gas.

$(c)$ Solid to gas.

$(d)$ Liquid to solid.

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Answer 3

Question

Chapter 13, Problem 2SAQ

Interpretation Introduction

Interpretation:

Matter

(Physical substance in general which occupies space and possesses rest mass)

Solid Liquid Gas

(1) A solid is a sample of matter that retains its shape and density when not confined.
(2) Strong molecular force of attraction exist between atoms ions molecules. (1) A liquid is a sample of matter that conforms to shape of container in which it is held and which acquires a defined surface in the presence of gravity.
(2) Weak molecular force of attraction exists between atoms/ions/molecule. (1) A gas is a sample of matter that conforms to the shape of container in which it is placed and acquire whole volume of container.
(2) Negligible force of attraction exists between atoms/ion/molecules.

Concept Introduction:

Physical change: physical change occurs when a substance alters its state $(Phase change)$ , but does not change its chemical composition.

State of matter depends upon temperature and pressure. As temperature or pressure or both change then state of matter may also change.

Phase change: transition of a substance from one state to another state

Phase: it is defined as a homogenous portion of a system that has uniform physical and chemical characteristic.

Draw initial temperature and pressure on phase diagram identify the initial phase similarly draw final temperature and pressure on phase diagram identify the final phase. After that you can decide which phase transition occurs.

To determine:

A sample of the substance in this phase diagram is initially at $175^{0} C$ and $925 m m H g$ . Which phase transition occurs when the pressure is decreased to $760 m m H g$ at constant temperature?

$(a)$ Solid to liquid.

$(b)$ Liquid to gas.

$(c)$ Solid to gas.

$(d)$ Liquid to solid.

Expert Solution & Answer

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Answer 4

Question

Chapter 13, Problem 2SAQ

Interpretation Introduction

Interpretation:

Matter

(Physical substance in general which occupies space and possesses rest mass)

Solid Liquid Gas

(1) A solid is a sample of matter that retains its shape and density when not confined.
(2) Strong molecular force of attraction exist between atoms ions molecules. (1) A liquid is a sample of matter that conforms to shape of container in which it is held and which acquires a defined surface in the presence of gravity.
(2) Weak molecular force of attraction exists between atoms/ions/molecule. (1) A gas is a sample of matter that conforms to the shape of container in which it is placed and acquire whole volume of container.
(2) Negligible force of attraction exists between atoms/ion/molecules.

Concept Introduction:

Physical change: physical change occurs when a substance alters its state $(Phase change)$ , but does not change its chemical composition.

State of matter depends upon temperature and pressure. As temperature or pressure or both change then state of matter may also change.

Phase change: transition of a substance from one state to another state

Phase: it is defined as a homogenous portion of a system that has uniform physical and chemical characteristic.

Draw initial temperature and pressure on phase diagram identify the initial phase similarly draw final temperature and pressure on phase diagram identify the final phase. After that you can decide which phase transition occurs.

To determine:

A sample of the substance in this phase diagram is initially at $175^{0} C$ and $925 m m H g$ . Which phase transition occurs when the pressure is decreased to $760 m m H g$ at constant temperature?

$(a)$ Solid to liquid.

$(b)$ Liquid to gas.

$(c)$ Solid to gas.

$(d)$ Liquid to solid.

Expert Solution & Answer

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Answer 5

Chapter 13, Problem 2SAQ

Interpretation Introduction

Interpretation:

Matter

(Physical substance in general which occupies space and possesses rest mass)

Solid Liquid Gas

(1) A solid is a sample of matter that retains its shape and density when not confined.
(2) Strong molecular force of attraction exist between atoms ions molecules. (1) A liquid is a sample of matter that conforms to shape of container in which it is held and which acquires a defined surface in the presence of gravity.
(2) Weak molecular force of attraction exists between atoms/ions/molecule. (1) A gas is a sample of matter that conforms to the shape of container in which it is placed and acquire whole volume of container.
(2) Negligible force of attraction exists between atoms/ion/molecules.

Concept Introduction:

Physical change: physical change occurs when a substance alters its state $(Phase change)$ , but does not change its chemical composition.

State of matter depends upon temperature and pressure. As temperature or pressure or both change then state of matter may also change.

Phase change: transition of a substance from one state to another state

Phase: it is defined as a homogenous portion of a system that has uniform physical and chemical characteristic.

Draw initial temperature and pressure on phase diagram identify the initial phase similarly draw final temperature and pressure on phase diagram identify the final phase. After that you can decide which phase transition occurs.

To determine:

A sample of the substance in this phase diagram is initially at $175^{0} C$ and $925 m m H g$ . Which phase transition occurs when the pressure is decreased to $760 m m H g$ at constant temperature?

$(a)$ Solid to liquid.

$(b)$ Liquid to gas.

$(c)$ Solid to gas.

$(d)$ Liquid to solid.

Answer 6

Chapter 13, Problem 2SAQ

Interpretation Introduction

Interpretation:

Matter

(Physical substance in general which occupies space and possesses rest mass)

Solid Liquid Gas

(1) A solid is a sample of matter that retains its shape and density when not confined.
(2) Strong molecular force of attraction exist between atoms ions molecules. (1) A liquid is a sample of matter that conforms to shape of container in which it is held and which acquires a defined surface in the presence of gravity.
(2) Weak molecular force of attraction exists between atoms/ions/molecule. (1) A gas is a sample of matter that conforms to the shape of container in which it is placed and acquire whole volume of container.
(2) Negligible force of attraction exists between atoms/ion/molecules.

Concept Introduction:

Physical change: physical change occurs when a substance alters its state $(Phase change)$ , but does not change its chemical composition.

State of matter depends upon temperature and pressure. As temperature or pressure or both change then state of matter may also change.

Phase change: transition of a substance from one state to another state

Phase: it is defined as a homogenous portion of a system that has uniform physical and chemical characteristic.

Draw initial temperature and pressure on phase diagram identify the initial phase similarly draw final temperature and pressure on phase diagram identify the final phase. After that you can decide which phase transition occurs.

To determine:

A sample of the substance in this phase diagram is initially at $175^{0} C$ and $925 m m H g$ . Which phase transition occurs when the pressure is decreased to $760 m m H g$ at constant temperature?

$(a)$ Solid to liquid.

$(b)$ Liquid to gas.

$(c)$ Solid to gas.

$(d)$ Liquid to solid.

Answer 7

Chapter 13, Problem 2SAQ

Interpretation Introduction

Interpretation:

Matter

(Physical substance in general which occupies space and possesses rest mass)

Solid Liquid Gas

(1) A solid is a sample of matter that retains its shape and density when not confined.
(2) Strong molecular force of attraction exist between atoms ions molecules. (1) A liquid is a sample of matter that conforms to shape of container in which it is held and which acquires a defined surface in the presence of gravity.
(2) Weak molecular force of attraction exists between atoms/ions/molecule. (1) A gas is a sample of matter that conforms to the shape of container in which it is placed and acquire whole volume of container.
(2) Negligible force of attraction exists between atoms/ion/molecules.

Concept Introduction:

Physical change: physical change occurs when a substance alters its state $(Phase change)$ , but does not change its chemical composition.

State of matter depends upon temperature and pressure. As temperature or pressure or both change then state of matter may also change.

Phase change: transition of a substance from one state to another state

Phase: it is defined as a homogenous portion of a system that has uniform physical and chemical characteristic.

Draw initial temperature and pressure on phase diagram identify the initial phase similarly draw final temperature and pressure on phase diagram identify the final phase. After that you can decide which phase transition occurs.

To determine:

A sample of the substance in this phase diagram is initially at $175^{0} C$ and $925 m m H g$ . Which phase transition occurs when the pressure is decreased to $760 m m H g$ at constant temperature?

$(a)$ Solid to liquid.

$(b)$ Liquid to gas.

$(c)$ Solid to gas.

$(d)$ Liquid to solid.

Answer 8

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Answer 9

Expert Solution & Answer

Answer 10

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Answer 11

Ch. 13 - Determine what state this substance is in at 1 atm...Ch. 13 - Prob. 2SAQ Ch. 13 - Prob. 3SAQ Ch. 13 - Prob. 4SAQ Ch. 13 - Prob. 5SAQ Ch. 13 - Prob. 6SAQ Ch. 13 - Prob. 7SAQ Ch. 13 - Prob. 8SAQ Ch. 13 - Prob. 9SAQ Ch. 13 - Prob. 10SAQ

Solution Summary: The author explains that physical change occurs when a substance alters its state, but does not change its chemical composition.

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Chapter 13 Solutions

Solid	Liquid	Gas
(1) A solid is a sample of matter that retains its shape and density when not confined. (2) Strong molecular force of attraction exist between atoms ions molecules.	(1) A liquid is a sample of matter that conforms to shape of container in which it is held and which acquires a defined surface in the presence of gravity. (2) Weak molecular force of attraction exists between atoms/ions/molecule.	(1) A gas is a sample of matter that conforms to the shape of container in which it is placed and acquire whole volume of container. (2) Negligible force of attraction exists between atoms/ion/molecules.