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Drug Delivery > W2 > Flashcards

W2 Flashcards

1
Q

What are a few measurable quantities?

A

Temperature
Pressure
Volume
Energy

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2
Q

What is a zero point

A

(Absolute 0)

Lowest temperature in the universe
0K = -273C

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3
Q

Absolute temperature

A

273.15C

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4
Q

Absolute temperature

A

273.15C

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5
Q

What is ideal gas

A

Obeys the relationship of PV=nRT

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6
Q

Pressure equations

A

P = nRT/V

P = force/area

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7
Q

Standard conditions

A

273C and 1.00x10^5Pa

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8
Q

How to work out total pressure of 2 gases

A

P = (no.mol gas 1 + no.mol gas 2) / 1 and all X RT/V

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9
Q

Diatheramal

A

Allow only heat transfer

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10
Q

Diatheramal

A

Allow only heat transfer

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11
Q

Adiabatic

A

Heat doesn’t enter or leave

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12
Q

Isothermal

A

Having a constant or the same temperature

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13
Q

Dalton’s law

A

In a mix of non-reacting gases, the total pressure exerted is equal to sum of partial pressure of each gas

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14
Q

Enthalpy equation

A

H = E + PV

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15
Q

Exothermic

A

Produce heat

Triangles < 0

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16
Q

Endothermic

A

Absorbs heat

TriangleH > 0

17
Q

How to calculate standard enthalpies of a reaction

A

Products - reactants

Use their enthalpies or formations - given

18
Q

When calculating standard enthalpy of a reaction what is a rule for pure elements

A

Pure elements with have an enthalpy of formation of 0

Ie 7O2 would be 0kj/mol

19
Q

How to work out enthalpy of combustion

A

Same as enthalpy standard

Products - reactants

20
Q

What is Hess law

A

The standard enthalpy of an overall reaction is the sum of all standard enthalpies of individual reactions

Ie
1) A+B=C 100J
2) C+D=E 200J

So 3) A+B+D=E

The C’s cancel out and we added 1 and 2 to get 3 so add the enthalpies:

100J + 200J = 300J

21
Q

Heat capacity equation

A

Ch = Heat absorbed / change in T

22
Q

Specific heat capacity equation

A

Cs = heat absorbed / ( mass x change in T )

23
Q

Molar heat capacity equation

A

Cm = heat absorbed / ( mols x change in T )

Drug Delivery (8 decks)

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