Ch. 2 BPC class
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Transcript of Ch. 2 BPC class
1
Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
List of elements and their atomic weight
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
From the table MW of Na=22.9897; O=15.9994; and H 1.0079 Ib / Ib mol or g/ g mol
Then the MW of NaOH is 40 Ib/Ib mol or g/g mol
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
The reference substance is nearly always water for liquids or air for gases.
If a substance's specific density is less than one then it is less dense than the reference; if greater than 1 then it is denser than the reference.The density of water is 1 g/cm3, 1000 kg/m3, or 62.43 Ib/ft3 at 4 oC.
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
3
3
ft
water Ib1
ft
glycerol Ib184.1
3
3
ft
solution Ib 9.73ft
water Ib62.4
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
O2
solution.H
GrSp
solution v
drug m
solu kg
drug kg
Using density to find concentration
Convert volume to mass by flow rate x concentrationThen divide mass by MW to get kg mol
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
To find ratios of atoms, divide every mole number of each component by the smallest mole number to obtain :1 O : 1.09 C : 2 H
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
OH
OGrSp2
2Ag.
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
Proof 97 of rum is %48.5 alcohol3cm /g 0.898 0.515(1) 1)0.485(0.79 Rum of
The density of the rum is less than the density of ice, this makes the ice to sink in the rum
Solution
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
Solution
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
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Chapter 2 Moles, Density and Concentration
Basic Principles and Calculations in Chemical Engineering
Solution
Solve problems 9, 10, 11, 12, 13, 14, 15, 16. 17, 21, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 37, 38, 39, 40, 41, 43, 44, 45, 46, 47, 48, 49, 50, 52 and 53