The possibility of identifying the given compound using combustion analysis.

Question

Propagation of uncertainty. You have a stock solution certified by the manufacturer to contain 150.0±0.03 µg SO42-/mL. You would like to dilute it by a factor of 100 to obtain 1.500 µg/mL. Calculate the uncertainty in the two methods of dilution below. Use the following uncertainty values for glassware: Glassware Uncertainty (assume glassware has been calibrated and treat the values below as random error) 1.00 mL volumetric pipet 0.01 mL 10.00 mL volumetric pipet 0.02 mL 100.00 mL volumetric flask 0.08 mL Transfer 10.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask. Then take 10.00 mL of the resulting solution and dilute it a second time with a 100 mL flask. 2. Transfer 1.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask.

Answer 1

Question

Chapter 9, Problem 120IE

(b)

Interpretation Introduction

To determine: The possibility of identifying the given compound using combustion analysis.

(c)

Interpretation Introduction

To determine: The balanced chemical reaction for the combustion of C10H8 .

(d)

Interpretation Introduction

To determine: The heat of combustion of naphthalene.

(e)

Interpretation Introduction

To determine: The comparison of HOMO-LUMO gap of the given molecules.

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Propagation of uncertainty. You have a stock solution certified by the manufacturer to contain 150.0±0.03 µg SO42-/mL. You would like to dilute it by a factor of 100 to obtain 1.500 µg/mL. Calculate the uncertainty in the two methods of dilution below. Use the following uncertainty values for glassware: Glassware Uncertainty (assume glassware has been calibrated and treat the values below as random error) 1.00 mL volumetric pipet 0.01 mL 10.00 mL volumetric pipet 0.02 mL 100.00 mL volumetric flask 0.08 mL Transfer 10.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask. Then take 10.00 mL of the resulting solution and dilute it a second time with a 100 mL flask. 2. Transfer 1.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask.

Draw all resonance structures for the following ion: CH₂ Draw all resonance structures on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars, including charges where needed. The single bond is active by default. 2D ד CONT HD EXP CON ? 1 [1] Α 12 Marvin JS by Chemaxon A DOO H C N Br I UZ OSPF

What is the average mass of the 10 pennies? Report your value with correct significant figures. What is the error (uncertainty) associated with each mass measurement due to the equipment? What is the uncertainty associated with the average value? Note that the uncertainty of the balance will propagate throughout the calculation. What is the standard deviation of the 10 mass measurements? Explain the difference between the propagated uncertainty and the standard deviation. Which number would you use to describe the uncertainty in the measurement? Calculate the total mass of the pennies with associated uncertainty. Calculate the average density of a penny based on these data. Propagate the uncertainty values for both mass and volume in your calculations.

Answer 2

Question

Chapter 9, Problem 120IE

(b)

Interpretation Introduction

To determine: The possibility of identifying the given compound using combustion analysis.

(c)

Interpretation Introduction

To determine: The balanced chemical reaction for the combustion of C10H8 .

(d)

Interpretation Introduction

To determine: The heat of combustion of naphthalene.

(e)

Interpretation Introduction

To determine: The comparison of HOMO-LUMO gap of the given molecules.

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Answer 3

Question

Chapter 9, Problem 120IE

(b)

Interpretation Introduction

To determine: The possibility of identifying the given compound using combustion analysis.

(c)

Interpretation Introduction

To determine: The balanced chemical reaction for the combustion of C10H8 .

(d)

Interpretation Introduction

To determine: The heat of combustion of naphthalene.

(e)

Interpretation Introduction

To determine: The comparison of HOMO-LUMO gap of the given molecules.

Expert Solution & Answer

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Answer 4

Question

Chapter 9, Problem 120IE

(b)

Interpretation Introduction

To determine: The possibility of identifying the given compound using combustion analysis.

(c)

Interpretation Introduction

To determine: The balanced chemical reaction for the combustion of C10H8 .

(d)

Interpretation Introduction

To determine: The heat of combustion of naphthalene.

(e)

Interpretation Introduction

To determine: The comparison of HOMO-LUMO gap of the given molecules.

Expert Solution & Answer

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Answer 5

Chapter 9, Problem 120IE

(b)

Interpretation Introduction

To determine: The possibility of identifying the given compound using combustion analysis.

(c)

Interpretation Introduction

To determine: The balanced chemical reaction for the combustion of C10H8 .

(d)

Interpretation Introduction

To determine: The heat of combustion of naphthalene.

(e)

Interpretation Introduction

To determine: The comparison of HOMO-LUMO gap of the given molecules.

Answer 6

Chapter 9, Problem 120IE

(b)

Interpretation Introduction

To determine: The possibility of identifying the given compound using combustion analysis.

Answer 7

Chapter 9, Problem 120IE

(b)

Interpretation Introduction

To determine: The possibility of identifying the given compound using combustion analysis.

Answer 8

(c)

Interpretation Introduction

To determine: The balanced chemical reaction for the combustion of C10H8 .

Answer 9

(c)

Interpretation Introduction

To determine: The balanced chemical reaction for the combustion of C10H8 .

Answer 10

(d)

Interpretation Introduction

To determine: The heat of combustion of naphthalene.

Answer 11

(d)

Interpretation Introduction

To determine: The heat of combustion of naphthalene.

Answer 12

(e)

Interpretation Introduction

To determine: The comparison of HOMO-LUMO gap of the given molecules.

Answer 13

(e)

Interpretation Introduction

To determine: The comparison of HOMO-LUMO gap of the given molecules.

Answer 14

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Ch. 9.2 - Consider the following AB3 molecules and ions-...Ch. 9.2 - Prob. 9.1.2PE Ch. 9.2 - Prob. 9.2.1PE Ch. 9.2 - Prob. 9.2.2PE Ch. 9.2 - Prob. 9.3.1PE Ch. 9.2 - Prob. 9.3.2PE Ch. 9.3 - Prob. 9.4.1PE Ch. 9.3 - Determine whether the following molecules are...Ch. 9.5 - Prob. 9.5.1PE Ch. 9.5 - Prob. 9.5.2PE

The possibility of identifying the given compound using combustion analysis.

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To determine: The possibility of identifying the given compound using combustion analysis.

To determine: The balanced chemical reaction for the combustion of C10H8 .

To determine: The heat of combustion of naphthalene.

To determine: The comparison of HOMO-LUMO gap of the given molecules.

Chapter 9 Solutions