(a) Interpretation: For the closed-system, the energy balance equation is to be simplified. Concept introduction: The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics , the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

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Answer 1

Question

Chapter 7, Problem 7.12P

Interpretation Introduction

(a)

Interpretation:

For the closed-system, the energy balance equation is to be simplified.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(b)

Interpretation:

The amount of heat that is transferred to or from the surroundings is to be calculated.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(c)

Interpretation:

Whether the temperature of the final system is greater than, equal to, or less than 30 οC is to be predicted.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

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A burning dump emits an estimated 1.5 kg/min of nitrogen dioxide (NO2 ). On a partlycloudy morning with a 2.5 m/s wind and temperature of 18°C, what is the concentrationof NO2 at a distance of 3.0 km directly downwind of the dump? Does this exceed theshort-term exposure limit for NO2 ? State your assumptions.

For each set of measurements below, calculate the Grubbs statistic, G, look up the appropriate critical value of G from Table 4.6, and determine whether the Grubbs test supports discarding the first value in the list at the 95% level of confidence. a) 106.0, 165.0, 167.5, 170.5, 163.5, 170.7 (Geale -2.028; Gerit 1.822; yes, the Grubbs test supports discarding 106.0) b) 214.8, 263.0, 229.9, 236.9, 221.8, 230.8, 241.1 c) 357.0, 309.3, 304.9, 314.8, 305.8, 295.3, 284.7, 299.5 TABLE 4-6 Critical values of G for rejection of outlier Number of observations otsulsve os Tenos nagsibarito G to buboxy (95% confidence) 456 1.463 1.672 1.822 7 1.938 8 upa 2.032 9 2.110 10 2.176 - 1 12 15 20 11 2.234 2.285 2.409 2.557

#1 A irreversible isothermal gas-phase isomerization reaction is given as: AB. This reaction is conducted in a 400L batch reactor and 100 mol of A (NAD = 100 mol) is charged into this reactor. The rate of reaction is determined as a function of the conversion of reactant A and the results are given below. The temperature was constant at 500K and the total pressure was constant at 830 kPa. The entering number of moles of species A is 100 mol. Calculate the time necessary to achieve 80% conversion. 0 0.1 0.2 0.4 -TA (mol/m³.s) 0.45 0.37 0.3 0.195 0.6 0.113 0.7 0.079 0.8 0.05

Answer 2

Question

Chapter 7, Problem 7.12P

Interpretation Introduction

(a)

Interpretation:

For the closed-system, the energy balance equation is to be simplified.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(b)

Interpretation:

The amount of heat that is transferred to or from the surroundings is to be calculated.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(c)

Interpretation:

Whether the temperature of the final system is greater than, equal to, or less than 30 οC is to be predicted.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

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Answer 3

Question

Chapter 7, Problem 7.12P

Interpretation Introduction

(a)

Interpretation:

For the closed-system, the energy balance equation is to be simplified.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(b)

Interpretation:

The amount of heat that is transferred to or from the surroundings is to be calculated.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(c)

Interpretation:

Whether the temperature of the final system is greater than, equal to, or less than 30 οC is to be predicted.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

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Answer 4

Question

Chapter 7, Problem 7.12P

Interpretation Introduction

(a)

Interpretation:

For the closed-system, the energy balance equation is to be simplified.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(b)

Interpretation:

The amount of heat that is transferred to or from the surroundings is to be calculated.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(c)

Interpretation:

Whether the temperature of the final system is greater than, equal to, or less than 30 οC is to be predicted.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

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Answer 5

Chapter 7, Problem 7.12P

Interpretation Introduction

(a)

Interpretation:

For the closed-system, the energy balance equation is to be simplified.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(b)

Interpretation:

The amount of heat that is transferred to or from the surroundings is to be calculated.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Interpretation Introduction

(c)

Interpretation:

Whether the temperature of the final system is greater than, equal to, or less than 30 οC is to be predicted.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Answer 6

Chapter 7, Problem 7.12P

Interpretation Introduction

(a)

Interpretation:

For the closed-system, the energy balance equation is to be simplified.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Answer 7

Chapter 7, Problem 7.12P

Interpretation Introduction

(a)

Interpretation:

For the closed-system, the energy balance equation is to be simplified.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Answer 8

Interpretation Introduction

(b)

Interpretation:

The amount of heat that is transferred to or from the surroundings is to be calculated.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Answer 9

Interpretation Introduction

(b)

Interpretation:

The amount of heat that is transferred to or from the surroundings is to be calculated.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Answer 10

Interpretation Introduction

(c)

Interpretation:

Whether the temperature of the final system is greater than, equal to, or less than 30 οC is to be predicted.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Answer 11

Interpretation Introduction

(c)

Interpretation:

Whether the temperature of the final system is greater than, equal to, or less than 30 οC is to be predicted.

Concept introduction:

The internal energy is the total energy present in the system. In simple words, it is the sum of the kinetic and potential energy of the particles in the system. According to the first law of thermodynamics, the energy of a system is conserved. It is only transferred from one state to another that is from system to surroundings and vice versa.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 7 - A certain gasoline engine has an efficiency of...Ch. 7 - Prob. 7.2P Ch. 7 - Prob. 7.3P Ch. 7 - Prob. 7.4P Ch. 7 - Liquid ethanol is pumped from a large storage tank...Ch. 7 - Air at 300°C and 130 kPa flows through a...Ch. 7 - Prob. 7.7P Ch. 7 - Prob. 7.8P Ch. 7 - Prob. 7.9P Ch. 7 - Prob. 7.10P

Solution Summary: The author explains the energy balance equation for the closed-system. The internal energy is the sum of kinetic and potential energy of the particles in the system.

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