revisão f 02 2012

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Revisão F 02-2012

32

5 9C F

5 9C F

( )5 918

10º5 9

C F

CC

I

C

3

( ) . .

10,8.10270. .10

41,0 / .º

CII Q m c

c

c cal g C

Re ( )) ( . ) ( . . )

250.80 250.1.(0 20)

25.000

solidificação sfriar águaa Q m L m c

Q

Q cal

)

250005 5000

Eb Pot

t

t st

)Q

at

. .)

0, 2.2.20(4 )

60 0,04

48.000

Q C Aa

t eQ

J

Q J

2

W

m

2( )

W PotI Intensidade

m A

2

/)

48000 / 60400( / )

2

Pot Q tb I I

A A

I I W m

3

) . . .

200.10 .0,03 .8,3.( 10 273)

2,75

a pV n RT

n

n mol

2. 21 1

1 2

1 1

2

2

.)

200. 260.(1,1. )

( 10 273)

376,09 103,09º

p Vp Vb

T T

V V

T

T K C

Útil

Total

Energia

Energia

) 1

3001 0,625800

62,5%

C

H H

QWa

Q Q

) 1

5001 0,5 50%1000

C

H

Tb

T

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