(a) Interpretation: The given standard heat of combustion should be explained in words. Concept introduction: In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

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Answer 1

Question

Chapter 9, Problem 9.2P

Interpretation Introduction

(a)

Interpretation:

The given standard heat of combustion should be explained in words.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(b)

Interpretation:

It should be determined if the reaction is exothermic or endothermic. What should be done to maintain the temperature constant. Also, determine the state of the temperature if we ran the reactor adiabatically.

Concept introduction:

A system either absorbs heat or release heat to the surroundings. Exothermic reaction is the one where the heat gets released and endothermic reaction is the one where the heat gets absorbed. In exothermic, value of ΔH will be negative whereas in endothermic, value of ΔH will be positive.

Interpretation Introduction

(c)

Interpretation:

The required rate of heat input or output in kilowatts and the reactor pressure should be calculated.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(d)

Interpretation:

The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(e)

Interpretation:

Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

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Ex. HW. A vertical glass tube, 2cm ID & 5m long in heated uniformly over its length. The water enter at (200-204 C) & 68.9 bar calculated the pressure drop if the flowrate 0.15 Kg/s & the power applied as a heat to the fluid is 100KW using the homogeneous model. Given that enthalpy at inlet temp.=0.87MJ/Kg, enthalpy saturation temp (285C)=1.26 MJ/Kg and μl=0.972*10-4 Ns/m2, μG=2.89*10-5 Ns/m2, UG=2.515*10-2m3/Kg and the change in UG over range of pressure=-4.45*10-4m3/Kg/bar.

4. An experimental test rig is used to examine two-phase flow regimes in horizontal pipelines. A particular experiment involved uses air and water at a temperature of 25°C, which flow through a horizontal glass tube with an internal diameter of 25.4 mm and a length of 40 m. Water is admitted at a controlled rate of 0.026 kgs at one end and air at a rate of 5 x 104 kgs in the same direction. The density of water is 1000 kgm³, and the density of air is 1.2 kgm. Determine the mass flow rate, the mean density, gas void fraction, and the superficial velocities of the air and water. Answer: 0.02605 kgs 1, 61.1 kgm³, 0.94, 0.822 ms-1, 0.051 ms-1

Answer 2

Question

Chapter 9, Problem 9.2P

Interpretation Introduction

(a)

Interpretation:

The given standard heat of combustion should be explained in words.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(b)

Interpretation:

It should be determined if the reaction is exothermic or endothermic. What should be done to maintain the temperature constant. Also, determine the state of the temperature if we ran the reactor adiabatically.

Concept introduction:

A system either absorbs heat or release heat to the surroundings. Exothermic reaction is the one where the heat gets released and endothermic reaction is the one where the heat gets absorbed. In exothermic, value of ΔH will be negative whereas in endothermic, value of ΔH will be positive.

Interpretation Introduction

(c)

Interpretation:

The required rate of heat input or output in kilowatts and the reactor pressure should be calculated.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(d)

Interpretation:

The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(e)

Interpretation:

Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Expert Solution & Answer

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Answer 3

Question

Chapter 9, Problem 9.2P

Interpretation Introduction

(a)

Interpretation:

The given standard heat of combustion should be explained in words.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(b)

Interpretation:

It should be determined if the reaction is exothermic or endothermic. What should be done to maintain the temperature constant. Also, determine the state of the temperature if we ran the reactor adiabatically.

Concept introduction:

A system either absorbs heat or release heat to the surroundings. Exothermic reaction is the one where the heat gets released and endothermic reaction is the one where the heat gets absorbed. In exothermic, value of ΔH will be negative whereas in endothermic, value of ΔH will be positive.

Interpretation Introduction

(c)

Interpretation:

The required rate of heat input or output in kilowatts and the reactor pressure should be calculated.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(d)

Interpretation:

The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(e)

Interpretation:

Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Expert Solution & Answer

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Answer 4

Question

Chapter 9, Problem 9.2P

Interpretation Introduction

(a)

Interpretation:

The given standard heat of combustion should be explained in words.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(b)

Interpretation:

It should be determined if the reaction is exothermic or endothermic. What should be done to maintain the temperature constant. Also, determine the state of the temperature if we ran the reactor adiabatically.

Concept introduction:

A system either absorbs heat or release heat to the surroundings. Exothermic reaction is the one where the heat gets released and endothermic reaction is the one where the heat gets absorbed. In exothermic, value of ΔH will be negative whereas in endothermic, value of ΔH will be positive.

Interpretation Introduction

(c)

Interpretation:

The required rate of heat input or output in kilowatts and the reactor pressure should be calculated.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(d)

Interpretation:

The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(e)

Interpretation:

Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Expert Solution & Answer

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Answer 5

Chapter 9, Problem 9.2P

Interpretation Introduction

(a)

Interpretation:

The given standard heat of combustion should be explained in words.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(b)

Interpretation:

It should be determined if the reaction is exothermic or endothermic. What should be done to maintain the temperature constant. Also, determine the state of the temperature if we ran the reactor adiabatically.

Concept introduction:

A system either absorbs heat or release heat to the surroundings. Exothermic reaction is the one where the heat gets released and endothermic reaction is the one where the heat gets absorbed. In exothermic, value of ΔH will be negative whereas in endothermic, value of ΔH will be positive.

Interpretation Introduction

(c)

Interpretation:

The required rate of heat input or output in kilowatts and the reactor pressure should be calculated.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(d)

Interpretation:

The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Interpretation Introduction

(e)

Interpretation:

Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Answer 6

Chapter 9, Problem 9.2P

Interpretation Introduction

(a)

Interpretation:

The given standard heat of combustion should be explained in words.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Answer 7

Chapter 9, Problem 9.2P

Interpretation Introduction

(a)

Interpretation:

The given standard heat of combustion should be explained in words.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Answer 8

Interpretation Introduction

(b)

Interpretation:

It should be determined if the reaction is exothermic or endothermic. What should be done to maintain the temperature constant. Also, determine the state of the temperature if we ran the reactor adiabatically.

Concept introduction:

A system either absorbs heat or release heat to the surroundings. Exothermic reaction is the one where the heat gets released and endothermic reaction is the one where the heat gets absorbed. In exothermic, value of ΔH will be negative whereas in endothermic, value of ΔH will be positive.

Answer 9

Interpretation Introduction

(b)

Interpretation:

It should be determined if the reaction is exothermic or endothermic. What should be done to maintain the temperature constant. Also, determine the state of the temperature if we ran the reactor adiabatically.

Concept introduction:

A system either absorbs heat or release heat to the surroundings. Exothermic reaction is the one where the heat gets released and endothermic reaction is the one where the heat gets absorbed. In exothermic, value of ΔH will be negative whereas in endothermic, value of ΔH will be positive.

Answer 10

Interpretation Introduction

(c)

Interpretation:

The required rate of heat input or output in kilowatts and the reactor pressure should be calculated.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Answer 11

Interpretation Introduction

(c)

Interpretation:

The required rate of heat input or output in kilowatts and the reactor pressure should be calculated.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Answer 12

Interpretation Introduction

(d)

Interpretation:

The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Answer 13

Interpretation Introduction

(d)

Interpretation:

The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Answer 14

Interpretation Introduction

(e)

Interpretation:

Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Answer 15

Interpretation Introduction

(e)

Interpretation:

Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Answer 16

Expert Solution & Answer

Answer 17

Expert Solution & Answer

Answer 18

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Answer 19

Ch. 9 - The standard heat of the reaction...Ch. 9 - Prob. 9.2P Ch. 9 - Prob. 9.3P Ch. 9 - The standard heat of the reaction...Ch. 9 - Prob. 9.5P Ch. 9 - Prob. 9.6P Ch. 9 - Prob. 9.7P Ch. 9 - Prob. 9.8P Ch. 9 - The standard heat of combustion of gaseous ethane...Ch. 9 - The standard heat of combustion (AH°) of liquid...

(a) Interpretation: The given standard heat of combustion should be explained in words. Concept introduction: In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Solution Summary: The author explains that the standard heat of combustion of the reaction is explained in words.

Concept explainers

(a)

Interpretation:

The given standard heat of combustion should be explained in words.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

(c)

Interpretation:

The required rate of heat input or output in kilowatts and the reactor pressure should be calculated.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

(d)

Interpretation:

The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

(e)

Interpretation:

Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Want to see the full answer?

Chapter 9 Solutions

(a) Interpretation: The given standard heat of combustion should be explained in words. Concept introduction: In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Solution Summary: The author explains that the standard heat of combustion of the reaction is explained in words.

Concept explainers

(a) Interpretation: The given standard heat of combustion should be explained in words. Concept introduction: In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

(c) Interpretation: The required rate of heat input or output in kilowatts and the reactor pressure should be calculated. Concept introduction: In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

(d) Interpretation: The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated Concept introduction: In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

(e) Interpretation: Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined. Concept introduction: In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

Want to see the full answer?

Chapter 9 Solutions

(a)

Interpretation:

The given standard heat of combustion should be explained in words.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

(c)

Interpretation:

The required rate of heat input or output in kilowatts and the reactor pressure should be calculated.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

(d)

Interpretation:

The difference between standard heat of combustion of vapor octane and to the liquid octane should be estimated

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.

(e)

Interpretation:

Whether n-octane exists as a vapor at 25∘C and a pressure of 1 atm should be determined.

Concept introduction:

In standard heat of combustion, the reactant will be a hydrocarbon which reacts with oxygen and it forms carbon-di-oxide and water.