https://padlet.com/usictech/43z8lyny1h1567me Post your answers to the Qs on page 315 of the textbook en-us 2021-09-15 13:33:44 UTC 2025-10-22 09:44:10 UTC hello@padlet.com https://padlet.com/usictech/43z8lyny1h1567me/wish/1754072109 2021-09-20 13:52:58 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754072109 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754075541 2021-09-20 13:53:54 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754075541 2642237 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754156394 2021-09-20 14:15:10 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754156394 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754159249 2021-09-20 14:15:54 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754159249 xfan22 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754166920 2021-09-20 14:17:50 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754166920 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754167745 2021-09-20 14:18:03 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754167745 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754289202 2021-09-20 14:49:11 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754289202 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754437605 2021-09-20 15:29:40 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754437605 ytang73 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754482664 2021-09-20 15:41:59 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754482664 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754559680 2021-09-20 16:05:47 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754559680 https://padlet.com/usictech/43z8lyny1h1567me/wish/1754645813 2021-09-20 16:33:02 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1754645813 https://padlet.com/usictech/43z8lyny1h1567me/wish/1755358309 2021-09-20 21:21:32 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1755358309 https://padlet.com/usictech/43z8lyny1h1567me/wish/1755571615 Yaseen Manzoor(1) ]]> 2021-09-20 23:08:00 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1755571615 https://padlet.com/usictech/43z8lyny1h1567me/wish/1755581207 Yaseen Manzoor(2)]]> 2021-09-20 23:16:52 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1755581207 janicetszning https://padlet.com/usictech/43z8lyny1h1567me/wish/1756166612 2021-09-21 05:29:14 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1756166612 https://padlet.com/usictech/43z8lyny1h1567me/wish/1756221968 2021-09-21 06:08:43 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1756221968 pkwok2 https://padlet.com/usictech/43z8lyny1h1567me/wish/1756257332 2021-09-21 06:30:45 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1756257332 pkwok2 https://padlet.com/usictech/43z8lyny1h1567me/wish/1756257940 2021-09-21 06:31:07 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1756257940 https://padlet.com/usictech/43z8lyny1h1567me/wish/1756346873 2021-09-21 07:19:17 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1756346873 https://padlet.com/usictech/43z8lyny1h1567me/wish/1756433667 2021-09-21 08:02:12 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1756433667 https://padlet.com/usictech/43z8lyny1h1567me/wish/1756452512 Thaung Tike(Leo)]]> 2021-09-21 08:12:03 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1756452512 https://padlet.com/usictech/43z8lyny1h1567me/wish/1756454437 Thaung Tike(Leo)]]> 2021-09-21 08:12:55 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1756454437 https://padlet.com/usictech/43z8lyny1h1567me/wish/1756967755 2021-09-21 12:37:54 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1756967755 AlAnoodAlRiyami https://padlet.com/usictech/43z8lyny1h1567me/wish/1757394987 2021-09-21 14:36:27 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1757394987 AlAnoodAlRiyami https://padlet.com/usictech/43z8lyny1h1567me/wish/1757397718 2021-09-21 14:37:12 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1757397718 https://padlet.com/usictech/43z8lyny1h1567me/wish/1757813681 2021-09-21 16:40:42 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1757813681 https://padlet.com/usictech/43z8lyny1h1567me/wish/1757824968 2021-09-21 16:44:33 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1757824968 raraarsalan https://padlet.com/usictech/43z8lyny1h1567me/wish/1757963093 2021-09-21 17:33:07 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1757963093 cchuen1 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758091622 1a. Energy is needed to break the bonds of the metal particles apart in order for them to melt.

1b. It is because the internal energy of a solid is very low, if freezing water to ice, that needs water to reduce its internal energy.

2. P=E/t
3000*120=E
E=360000J
E=ml
360000/2.25*10^6=m
m=0.16kg

3a. E=mcΔT
E=(0.08)(4200)(15)
E=5040J
5040/1200
=4.2Js^-1

3b.E=ml
E=0.08*(3.36*10^5)
E=26880
P=E/t
4.2=26880/t
26880/4.2=t
t=6400s

4a.E=mcΔT
E=0.12*1200*18
E=2592J
2592/120
=21.6Js^-1

4b.E=Pt
E=21.6*300
E=6480J]]> 2021-09-21 18:21:55 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758091622 SaifAlbastaki https://padlet.com/usictech/43z8lyny1h1567me/wish/1758092652 2021-09-21 18:22:21 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758092652 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758140864 2021-09-21 18:43:02 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758140864 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758170757 2021-09-21 18:56:47 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758170757 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758197544 2021-09-21 19:09:51 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758197544 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758229510 2021-09-21 19:25:52 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758229510 rriyanto1 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758244524 Question 1a and 1b]]> 2021-09-21 19:33:33 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758244524 rriyanto1 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758271985 Questions 2-4]]> 2021-09-21 19:48:24 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758271985 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758278506 2021-09-21 19:51:38 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758278506 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758315796 2021-09-21 20:12:19 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758315796 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758330257 2021-09-21 20:21:06 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758330257 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758331634 2021-09-21 20:22:00 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758331634 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758430170 2021-09-21 21:28:29 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758430170 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758431114 2021-09-21 21:29:15 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758431114 AbdallahKayed https://padlet.com/usictech/43z8lyny1h1567me/wish/1758493819 2021-09-21 22:22:59 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758493819 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758502995 2021-09-21 22:31:00 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758502995 faalbreiki1 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758588590 2021-09-21 23:52:49 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758588590 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758737563 2021-09-22 01:33:32 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758737563 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758738014 2021-09-22 01:33:49 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758738014 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758739161 2021-09-22 01:34:30 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758739161 mliu79 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758745295 it is my homework]]> 2021-09-22 01:38:12 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758745295 mliu79 https://padlet.com/usictech/43z8lyny1h1567me/wish/1758746483 it is my homework]]> 2021-09-22 01:39:00 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1758746483 kchan222 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759282415 2021-09-22 07:25:10 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759282415 kchan222 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759282793 2021-09-22 07:25:23 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759282793 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759395689 2021-09-22 08:23:27 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759395689 mmabosalem1 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759502510 2021-09-22 09:18:55 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759502510 mashaba1 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759510012 2021-09-22 09:22:05 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759510012 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759515714 2021-09-22 09:25:01 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759515714 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759567646 2021-09-22 09:54:41 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759567646 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759673669 abdulaziz

]]> 2021-09-22 10:58:37 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759673669 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759675714 abdulaziz]]> 2021-09-22 10:59:55 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759675714 https://padlet.com/usictech/43z8lyny1h1567me/wish/1759748813 2021-09-22 11:43:10 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1759748813 https://padlet.com/usictech/43z8lyny1h1567me/wish/1760837374 2021-09-22 18:07:18 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1760837374 swu691 https://padlet.com/usictech/43z8lyny1h1567me/wish/1761224973 2021-09-22 21:52:06 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1761224973 Ahmad1Alenezi https://padlet.com/usictech/43z8lyny1h1567me/wish/1761229454 2021-09-22 21:54:47 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1761229454 lalghamdi1 https://padlet.com/usictech/43z8lyny1h1567me/wish/1761337866 2021-09-22 23:34:03 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1761337866 salarife1 https://padlet.com/usictech/43z8lyny1h1567me/wish/1761401616 2021-09-23 00:10:38 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1761401616 https://padlet.com/usictech/43z8lyny1h1567me/wish/1761662454 2021-09-23 02:11:48 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1761662454 https://padlet.com/usictech/43z8lyny1h1567me/wish/1761697824 2021-09-23 02:27:49 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1761697824 czhao36 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762473438 2021-09-23 09:12:02 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762473438 yshen79 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762480766 2021-09-23 09:16:07 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762480766 yshen79 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762481237 2021-09-23 09:16:22 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762481237 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762669107 2021-09-23 11:11:56 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762669107 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762684416 2021-09-23 11:21:41 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762684416 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762690716 2021-09-23 11:25:40 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762690716 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762691333 2021-09-23 11:26:05 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762691333 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762691640 2021-09-23 11:26:17 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762691640 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762750225 2021-09-23 11:59:26 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762750225 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762752332 2021-09-23 12:00:30 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762752332 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762754393 2021-09-23 12:01:37 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762754393 achoi214 https://padlet.com/usictech/43z8lyny1h1567me/wish/1762768562 2021-09-23 12:09:19 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1762768562 vahut https://padlet.com/usictech/43z8lyny1h1567me/wish/1763176811 2021-09-23 14:27:26 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1763176811 2618826 https://padlet.com/usictech/43z8lyny1h1567me/wish/1763602541 2021-09-23 17:01:27 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1763602541 https://padlet.com/usictech/43z8lyny1h1567me/wish/1765598409 2021-09-24 13:06:02 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1765598409 https://padlet.com/usictech/43z8lyny1h1567me/wish/1765890917 2021-09-24 14:52:47 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1765890917 https://padlet.com/usictech/43z8lyny1h1567me/wish/1765947657 2021-09-24 15:14:11 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1765947657 https://padlet.com/usictech/43z8lyny1h1567me/wish/1766521509 2021-09-24 20:12:36 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1766521509 https://padlet.com/usictech/43z8lyny1h1567me/wish/1766861840 1a) energy is needed to break bonds between atoms
1b) The reduce in internal energy will cause water molecules to move slow enough for the force bond to pull molecules together to freeze.
2) E=ml
     Pt = ml
    3000*2*60=2.25*10^6 m
     m=0.16 kg
3a) E=mcΔT
    P=0.08*15*4200+/120
    P=4.2J
3b) E=ml
      E=0.08*3.36*10^5
      t=26880/4.2J
      t=6400 s
4a) E=mcΔT
       Pt=mcΔT
        P=0.12*1200*18/120
        p=21.6W
   b) 21.6*300=6480 J]]> 2021-09-25 02:45:50 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1766861840 wyoong1 https://padlet.com/usictech/43z8lyny1h1567me/wish/1766909443 1. a) energy is needed to melt a solid because it breaks the bond between atoms
    b) internal energy of water must be           reduced to form bonds between H2O atoms
2. E=mL
360000=m*(2.25*10^6)
m=0.16kg
3. a) E=mc∆T
         E=0.08*4200*15
         E s^-1=5040/1200
         P=4.2J
     b) P=mL/t
         4.2=0.08*3.36*10^5/t
              t=6400s
4. a) E=mc∆T
        Pt=mc∆T
        P=0.12*1200*18/120
        P=21.6W
b) 21.6*300=6480J

         ]]> 2021-09-25 03:41:08 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1766909443 yzhang635 https://padlet.com/usictech/43z8lyny1h1567me/wish/1768199179 2021-09-26 07:18:43 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1768199179 yhu109 https://padlet.com/usictech/43z8lyny1h1567me/wish/1768199467 2021-09-26 07:19:02 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1768199467 https://padlet.com/usictech/43z8lyny1h1567me/wish/1773611156 2021-09-28 06:27:05 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1773611156 https://padlet.com/usictech/43z8lyny1h1567me/wish/1777983539 2021-09-29 13:19:09 UTC https://padlet.com/usictech/43z8lyny1h1567me/wish/1777983539