TVTV = 3-27 3-24

1

3-24

T (K) V (liter)

3-27

T

=20ºC V

=3,2 liter p konstant

T

=37ºC V

= ?

konstant T

pV =

T k V p

1 1

1 = k

T V p

2 2

2 =

2 2 1

1

T pV T

pV =

2 2 1

1

T V T

V =

2 2 1

1

T

V V = T

Temperaturen i Kelvin

2

3-31

T

=258 K (-15ºC) p

= 0,19 MPa

T

=298 K (25ºC) p

= ?

V konstant

konstant T

pV =

2 2 1

1

T V p T

V p =

2 2 1

1

T p T

p =

1 1 2

2

T

p p = T

3-40

NTP

T₁=273 K p₁= 1 bar

ρ₁= 1,29 kg/m³

T₂=213 K (-60ºC) p₂= 53·10^-3 bar ρ₂= ?

ρ V = m

konstant T

pV =

2 2 2 1

1 1

T V p T

V p =

2 2 2

1 1 1

T p T

p 









=









ρ ρ

m m

2 2

2 1

1 1

T p T

p

ρ ρ ⁼

1 2

2 1 1

2

T p

p

T ρ

ρ =

3

3-41

V₁ = 40,0 dm3 T₁ = 290 K p₁ = 10,0 Mpa

V₂ = ? T₂ = 273 K p₂ = 101 kpa

ρ V = m

2 2 2 1

1 1

T V p T

V p =

V m = ρ

3-45

G = mg = 9,81 m/s² · 45 kg

m = 8 g, M = 29 g/mol (n = m/M) A = 0,021 m²

T₁ = 293 K T₂ = 368 K

p = 101 kPa + G/A p konstant

A p = F

G F m = 45 kg

p V = nRT pV=nRT

R = 8,3145 J / mol—K

( T

T

)

p

V = nR −

∆

bA

V =

4

3-48

pV =

aktor) (tillväxtf V %

_ →

gt ursprungli

värde

Vnytt

konstant V = ⋅

p T

aktor) (tillväxtf

%

1 1 2 2

→

















p T p T

T₁ = 288 K p₁ = 1013 mbar

T₂ = 268,5 K p₂ = 701 mbar