L f 3.33x10 5 J/kg L v 2.26x10 6 J/kg cice2090 J/ kg· o C water 4186 J/ kg· o C
23
You have 1 kg ice (at 0 o C) in a well-insulated container. How much boiling water must be added to produce only water at 0 o C. L f 3.33x10 5 J/kg L v 2.26x10 6 J/kg c ice 2090 J/kg· o C water 4186 J/kg· o C steam 2010 J/kg· o C
description
You have 1 kg ice (at 0 o C) in a well-insulated container. How much boiling water must be added to produce only water at 0 o C. . L f 3.33x10 5 J/kg L v 2.26x10 6 J/kg cice2090 J/ kg· o C water 4186 J/ kg· o C steam 2010 J/ kg· o C. - PowerPoint PPT Presentation
Transcript of L f 3.33x10 5 J/kg L v 2.26x10 6 J/kg cice2090 J/ kg· o C water 4186 J/ kg· o C
You have 1 kg ice (at 0o C) in a well-insulated container. How much boiling water must be added to produce only water at 0o C. Lf 3.33x105 J/kg
Lv 2.26x106 J/kgc ice 2090 J/kg·oC
water 4186 J/kg·oC steam 2010 J/kg·oC
If the ice starts out at -20o what do I change?
If the water starts out at as steam at 100o
what do I change?
Conduction
Energy moves but matter does not move
Thermal Energy Transfer: Zeroth Law
HOT COLD
LTT
kAP ch
Convection Movement of hot
or cold matter Air currents or
water currents
Energy and matter move
Thermal Energy Transfer
HOT
Thermal Energy TransferRadiation Long range Electromagnetic
waves Visible, Infrared
Energy moves but matter does not move
HOT
First Law of Thermodynamics
Work done on the gas
Work done on the gas
f
i
V
V
PdVWork
P
V
In the path shown, the work done on the gas is
A. NegativeB. PositiveC. Zero
isobaric
P
V
In the paths shown below which process is work the largest (in magnitude)?
A. RedB. BlueC. They are the same
P
V
In the paths shown below which process is work the largest (in magnitude)?
A. RedB. BlueC. They are the same
P
V
In the path shown, the work done on the gas is
A. NegativeB. PositiveC. Zero
isovolumetric
P
V
In the path shown, the work done on the gas is
A. NegativeB. PositiveC. Zero
startend
cyclic
State Dependent vs.
Path Dependent
Plug and chug through life
Some common processes Isobaric
Some common processes Isovolumetric
Some common processes Isothermal
Some common processes Adiabatic – no REALLY adiabatic
Some common processes Free expansion
![Eindhoven University of Technology MASTER Transitional ... · List of symbols c specific heat capacity [J kg-1] d diameter [m] e specific energy [ J kg-1] f velocity distribution](https://static.fdocuments.in/doc/165x107/5e1047e60db120033b03ad68/eindhoven-university-of-technology-master-transitional-list-of-symbols-c-specific.jpg)
