EBK ELEMENTARY PRINCIPLES OF CHEMICAL P
EBK ELEMENTARY PRINCIPLES OF CHEMICAL P
4th Edition
ISBN: 9781119192107
Author: BULLARD
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
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Chapter 9, Problem 9.39P
Interpretation Introduction

(a)

Interpretation:

The number of tenants in office buildings for the given conditions should be determined.

Concept introduction:

The concept of unitary methods in mathematics is used for calculating the number of tenants. Based on the given data of items with respect to the power consumption per unit. The quantities of specific items are multiplying with its power consumption.

For calculation of the number of tenants, total power consumed per unit along with total power supplied by the solid oxide fuel cell is being considered.

Interpretation Introduction

(b)

Interpretation:

The amount of heat loss in kW should be determined for the thermal efficiency of 60%.

Concept introduction:

Thermal efficiency is defined as the ratio of energy output with energy input defined as,

n=EnergyoutputEnergyinput

Where,

Energy input is defined as the amount of energy fed to the reactor.

Energy output is defined as the total amount of energy produced by the reactor.

The amount of heat transferred is

Q=outnH^iinnH^i

outnH^i is the heat of formation of product.

innH^i is the heat of formation of reactant.

The enthalpies of reactants and products depends on the heat capacity and temperature.

Interpretation Introduction

(c)

Interpretation:

The value of molar flow rate of fuel for the given conditions of fractional conversion should be determined.

Concept introduction:

Fractional conversion of components is defined as the ratio of moles fed to the reactor with respect to the moles of output obtained at the exit of reactor.

f=(na)feed(na)output

Where,

Number of moles fed to the reactor = (na)feed.

Number of moles obtained at the output = (na)output.

Percent excess air is the ratio of difference between the number of moles of air fed and moles of air theoretically required to number of moles theoretically required.

%Excessair=((nair)feed(nair)theoritical(nair)theoritical).

Molar flow rate is defined as the ratio of mole with time,

M=ntime

Where,

M is the molar flow rate.

n be the number of moles.

Time is taken in hours.

Interpretation Introduction

(d)

Interpretation:

The molar flow rate for input after business hour should be calculated.

Concept introduction:

Fractional conversion of components is defined as the ratio of moles fed to the reactor with respect to the moles of output obtained at the exit of reactor.

f=(na)feed(na)output

Where,

Number of moles fed to the reactor = (na)feed.

Number of moles obtained at the output = (na)output.

Percent excess air is the ratio of difference between the number of moles of air fed and moles of air theoretically required to number of moles theoretically required.

%Excessair=((nair)feed(nair)theoritical(nair)theoritical).

Molar flow rate is defined as the ratio of mole with time,

M=ntime

Where,

M is the molar flow rate.

n be the number of moles.

Time is taken in hours.

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Chapter 9 Solutions

EBK ELEMENTARY PRINCIPLES OF CHEMICAL P

Ch. 9 - Prob. 9.11PCh. 9 - Prob. 9.12PCh. 9 - In the production of many microelectronic devices,...Ch. 9 - Prob. 9.14PCh. 9 - Prob. 9.15PCh. 9 - Prob. 9.16PCh. 9 - Prob. 9.17PCh. 9 - Carbon monoxide at 25°C and steam at 150°C are fed...Ch. 9 - Prob. 9.19PCh. 9 - Prob. 9.20PCh. 9 - Ethyl alcohol (ethanol) can be produced by the...Ch. 9 - Prob. 9.22PCh. 9 - Prob. 9.23PCh. 9 - Prob. 9.24PCh. 9 - Formaldehyde is produced commercially by the...Ch. 9 - Prob. 9.26PCh. 9 - Prob. 9.27PCh. 9 - Prob. 9.28PCh. 9 - Prob. 9.29PCh. 9 - A gas mixture containing 85 mole% methane and the...Ch. 9 - Ethylene oxide is produced by the catalytic...Ch. 9 - Cumene (C6H5C3H7) is produced by reacting benzene...Ch. 9 - Ethylbenzene is converted to styrene in the...Ch. 9 - Prob. 9.34PCh. 9 - Prob. 9.35PCh. 9 - Prob. 9.36PCh. 9 - Prob. 9.37PCh. 9 - Coke can be converted into CO—a fuel gas—in the...Ch. 9 - Prob. 9.39PCh. 9 - Prob. 9.40PCh. 9 - Prob. 9.41PCh. 9 - The equilibrium constant for the ethane...Ch. 9 - You are checking the performance of a reactor in...Ch. 9 - Hydrogen is produced in the steam reforming of...Ch. 9 - Prob. 9.45PCh. 9 - Five cubic meters of a 1.00-molar aqueous sulfuric...Ch. 9 - Prob. 9.47PCh. 9 - Prob. 9.48PCh. 9 - Prob. 9.49PCh. 9 - Calcium chloride is a salt used in a number of...Ch. 9 - A dilute aqueous solution of sulfuric acid at 25°C...Ch. 9 - A 2.00 mole% sulfuric acid solution is neutralized...Ch. 9 - A 12.0-molar solution of sodium hydroxide (SG =...Ch. 9 - Citric acid (C6H8O7) is used in the preparation of...Ch. 9 - Ammonia scrubbing is one of many processes for...Ch. 9 - Various uses for nitric acid are given in Problem...Ch. 9 - A natural gas is analyzed and found to consist of...Ch. 9 - Prob. 9.58PCh. 9 - A fuel gas is known to contain methane, ethane,...Ch. 9 - A fuel gas containing 85.0 mole% methane and the...Ch. 9 - A mixture of air and a fine spray of gasoline at...Ch. 9 - The heating value of a fuel oil is to be measured...Ch. 9 - Methanol vapor is burned with excess air in a...Ch. 9 - Methane at 25°C is burned in a boiler furnace with...Ch. 9 - Methane is burned completely with 40% excess air....Ch. 9 - A gaseous fuel containing methane and ethane is...Ch. 9 - A coal contains 73.0 wt% C, 4.7% H (not including...Ch. 9 - A mixture of methane, ethane, and argon at 25°C is...Ch. 9 - Prob. 9.69PCh. 9 - Prob. 9.70PCh. 9 - Prob. 9.71PCh. 9 - A bituminous coal is burned with air in a boiler...Ch. 9 - Prob. 9.73PCh. 9 - A natural gas containing 82.0 mole% CH4and the...Ch. 9 - Prob. 9.75PCh. 9 - Liquid n-pentane at 25°C is burned with 30% excess...Ch. 9 - Methane is burned with 25% excess air in a...Ch. 9 - Methane and 30% excess air are to be fed to a...Ch. 9 - Prob. 9.79PCh. 9 - In Problem 9.79, the synthesis of methanol from...Ch. 9 - Natural gas that contains methane, ethane, and...Ch. 9 - Prob. 9.82PCh. 9 - The wastewater treatment plant at the Ossabaw...
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