The reason for using ethyl chloride (a spray that evaporates quickly) during a game to numb a sports injury should be explained. Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

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Answer 1

Question

Chapter 10, Problem 68UTC

(a)

Interpretation Introduction

Interpretation:

The reason for using ethyl chloride (a spray that evaporates quickly) during a game to numb a sports injury should be explained.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(b)

Interpretation Introduction

Interpretation:

The reason for the faster evaporation of water in a flat dish than in the narrow vase should be determined.

Concept Introduction:

Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(c)

Interpretation Introduction

Interpretation:

The reason for the drying of sandwich that is placed on a plate as compared to the one placed in the plastic wrap should be determined.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it. The process of evaporation increases on increasing the temperature.

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In the video, we looked at the absorbance of a certain substance and how it varies depending on what wavelength of light we are looking at. Below is a similar scan of a different substance. What color BEST describes how this substance will appear? Absorbance (AU) Violet Blue Green Orange 1.2 1.0- 0.8- 0.6- 0.4- 0.2 0.0 450 500 550 600 650 700 Wavelength (nm) violet indigo blue green yellow orange red Red O Cannot tell from this information In the above graph, what causes -450 nm wavelength of light to have a higher absorbance than light with a -550 nm wavelength? Check all that are true. The distance the light travels is different The different data points are for different substances The concentration is different at different times in the experiment Epsilon (molar absortivity) is different at different wavelengths

5. a. Data were collected for Trial 1 to determine the molar mass of a nonvolatile solid solute when dissolved in cyclo- hexane. Complete the table for the analysis (See Report Sheet). Record calculated values with the correct number of significant figures. B. Freezing Point of Cyclohexane plus Calculation Zone Unknown Solute 2. Mass of cyclohexane (g) 10.14 Part C.4 3. Mass of added solute (g) 0.255 C. Calculations 1. k; for cyclohexane (°C⚫ kg/mol) 20.0 2. Freezing point change, AT, (°C) 3.04 Part C.6 3. Mass of cyclohexane in solution (kg) 4. Moles of solute, total (mol) Show calculation. 5. Mass of solute in solution, total (g) 6. Molar mass of solute (g/mol) Show calculation.

Answer 2

Question

Chapter 10, Problem 68UTC

(a)

Interpretation Introduction

Interpretation:

The reason for using ethyl chloride (a spray that evaporates quickly) during a game to numb a sports injury should be explained.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(b)

Interpretation Introduction

Interpretation:

The reason for the faster evaporation of water in a flat dish than in the narrow vase should be determined.

Concept Introduction:

Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(c)

Interpretation Introduction

Interpretation:

The reason for the drying of sandwich that is placed on a plate as compared to the one placed in the plastic wrap should be determined.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it. The process of evaporation increases on increasing the temperature.

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Answer 3

Question

Chapter 10, Problem 68UTC

(a)

Interpretation Introduction

Interpretation:

The reason for using ethyl chloride (a spray that evaporates quickly) during a game to numb a sports injury should be explained.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(b)

Interpretation Introduction

Interpretation:

The reason for the faster evaporation of water in a flat dish than in the narrow vase should be determined.

Concept Introduction:

Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(c)

Interpretation Introduction

Interpretation:

The reason for the drying of sandwich that is placed on a plate as compared to the one placed in the plastic wrap should be determined.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it. The process of evaporation increases on increasing the temperature.

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Answer 4

Question

Chapter 10, Problem 68UTC

(a)

Interpretation Introduction

Interpretation:

The reason for using ethyl chloride (a spray that evaporates quickly) during a game to numb a sports injury should be explained.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(b)

Interpretation Introduction

Interpretation:

The reason for the faster evaporation of water in a flat dish than in the narrow vase should be determined.

Concept Introduction:

Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(c)

Interpretation Introduction

Interpretation:

The reason for the drying of sandwich that is placed on a plate as compared to the one placed in the plastic wrap should be determined.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it. The process of evaporation increases on increasing the temperature.

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Check out a sample textbook solution

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Answer 5

Chapter 10, Problem 68UTC

(a)

Interpretation Introduction

Interpretation:

The reason for using ethyl chloride (a spray that evaporates quickly) during a game to numb a sports injury should be explained.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(b)

Interpretation Introduction

Interpretation:

The reason for the faster evaporation of water in a flat dish than in the narrow vase should be determined.

Concept Introduction:

Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

(c)

Interpretation Introduction

Interpretation:

The reason for the drying of sandwich that is placed on a plate as compared to the one placed in the plastic wrap should be determined.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it. The process of evaporation increases on increasing the temperature.

Answer 6

Chapter 10, Problem 68UTC

(a)

Interpretation Introduction

Interpretation:

The reason for using ethyl chloride (a spray that evaporates quickly) during a game to numb a sports injury should be explained.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

Answer 7

Chapter 10, Problem 68UTC

(a)

Interpretation Introduction

Interpretation:

The reason for using ethyl chloride (a spray that evaporates quickly) during a game to numb a sports injury should be explained.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The reason for the faster evaporation of water in a flat dish than in the narrow vase should be determined.

Concept Introduction:

Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

Answer 9

(b)

Interpretation Introduction

Interpretation:

The reason for the faster evaporation of water in a flat dish than in the narrow vase should be determined.

Concept Introduction:

Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it.

Answer 10

(c)

Interpretation Introduction

Interpretation:

The reason for the drying of sandwich that is placed on a plate as compared to the one placed in the plastic wrap should be determined.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it. The process of evaporation increases on increasing the temperature.

Answer 11

(c)

Interpretation Introduction

Interpretation:

The reason for the drying of sandwich that is placed on a plate as compared to the one placed in the plastic wrap should be determined.

Concept Introduction: Evaporation is the process of converting water (mostly) in liquid state to the gaseous state. Due to change in state of water from liquid to gas its temperature increases and energy is required for such change in state, Thus the water molecules undergoing evaporation, decreases the temperature of the surface by absorbing the heat energy from it. The process of evaporation increases on increasing the temperature.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 10.1 - Determine the total number of valence electrons...Ch. 10.1 - Determine the total number of valence electrons...Ch. 10.1 - Prob. 3PP Ch. 10.1 - If the available number of valence electrons for a...Ch. 10.1 - Draw the Lewis structures for each of the...Ch. 10.1 - Draw the Lewis structures for each of the...Ch. 10.1 - Draw the Lewis structures for each of the...Ch. 10.1 - Draw the Lewis structures for each of the...Ch. 10.2 - Prob. 9PP Ch. 10.2 - When does a molecular compound have resonance?

Solution Summary: The author explains that evaporation is the process of converting water (mostly) in liquid state to the gaseous state.

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