1 00:00:00,000 --> 00:00:02,140 PHIL: One person is going to win, and they can choose to 2 00:00:02,140 --> 00:00:03,840 bring along somebody of their choice. 3 00:00:03,840 --> 00:00:38,914 [MUSIC PLAYING] 4 00:00:38,914 --> 00:00:43,140 NARRATOR: Last time in 5.301, the students just practiced 5 00:00:43,140 --> 00:00:44,680 re-crystallization. 6 00:00:44,680 --> 00:00:46,510 Now it's time for the real thing. 7 00:00:46,510 --> 00:00:50,430 PROFESSOR: You're actually going to take your crystals, 8 00:00:50,430 --> 00:00:53,910 and you're going to re-crystallize them, to 9 00:00:53,910 --> 00:00:57,420 produce one big crystal. 10 00:00:57,420 --> 00:00:58,820 And there's a prize. 11 00:00:58,820 --> 00:01:05,010 Whoever gets this first is going to lunch with me at 12 00:01:05,010 --> 00:01:09,430 Legal Sea Foods, and you can bring one of your friends, and 13 00:01:09,430 --> 00:01:11,260 you can invite the TAs. 14 00:01:11,260 --> 00:01:15,170 NARRATOR: The goal is to grow a single, perfect, crystal. 15 00:01:15,170 --> 00:01:18,920 But first, the students have to actually make the compound 16 00:01:18,920 --> 00:01:21,300 they're going to grow their crystals from, 17 00:01:21,300 --> 00:01:24,320 this chromium complex. 18 00:01:24,320 --> 00:01:27,325 This is their first real reaction in the lab. 19 00:01:27,325 --> 00:01:30,555 20 00:01:30,555 --> 00:01:33,160 ANTHONY: It's a different color and that's usually 21 00:01:33,160 --> 00:01:34,585 pretty good in chemistry. 22 00:01:34,585 --> 00:01:37,740 NARRATOR: After they filter, wash, and dry their product, 23 00:01:37,740 --> 00:01:41,350 the students begin testing solvents, and some start 24 00:01:41,350 --> 00:01:42,160 teaming up. 25 00:01:42,160 --> 00:01:45,542 PHIL: I actually saw an alliance forming over here. 26 00:01:45,542 --> 00:01:47,290 YI-SHIUAN: I saw some of them split up 27 00:01:47,290 --> 00:01:48,705 trying different solvents. 28 00:01:48,705 --> 00:01:52,390 We actually worked on find the solvents together. 29 00:01:52,390 --> 00:01:56,470 JULIE: We decided to use dichloromethane and hexane for 30 00:01:56,470 --> 00:01:57,330 our solvents. 31 00:01:57,330 --> 00:02:01,672 ANTHONY: We're going to use hexanes and methanol. 32 00:02:01,672 --> 00:02:01,758 Shh. 33 00:02:01,758 --> 00:02:04,590 We're going to win. 34 00:02:04,590 --> 00:02:06,400 NARRATOR: Hansol seems pretty driven. 35 00:02:06,400 --> 00:02:09,530 HANSOL: I like competition. 36 00:02:09,530 --> 00:02:11,130 I want to win, obviously. 37 00:02:11,130 --> 00:02:14,266 NARRATOR: If you win, who will you invite to lunch? 38 00:02:14,266 --> 00:02:17,580 HANSOL: I would probably pick Dan. 39 00:02:17,580 --> 00:02:18,795 I made a deal with him earlier. 40 00:02:18,795 --> 00:02:21,580 NARRATOR: So, Hansol's been working with Dan. 41 00:02:21,580 --> 00:02:22,585 What about you, Emily? 42 00:02:22,585 --> 00:02:25,840 EMILY: Yeah, I worked with Dan to figure out what solvent 43 00:02:25,840 --> 00:02:27,366 system would work well. 44 00:02:27,366 --> 00:02:29,290 NARRATOR: Uh, OK. 45 00:02:29,290 --> 00:02:30,435 Let's recap. 46 00:02:30,435 --> 00:02:31,200 HANSOL: Dan. 47 00:02:31,200 --> 00:02:31,860 EMILY: Dan. 48 00:02:31,860 --> 00:02:32,560 HANSOL: Dan. 49 00:02:32,560 --> 00:02:33,195 EMILY: Dan 50 00:02:33,195 --> 00:02:33,970 HANSOL: Dan. 51 00:02:33,970 --> 00:02:34,580 EMILY: Dan. 52 00:02:34,580 --> 00:02:36,100 NARRATOR: Dan, what do you have to say for yourself? 53 00:02:36,100 --> 00:02:38,870 DAN: It was a loosely formed alliance, we 54 00:02:38,870 --> 00:02:40,410 didn't sign any papers. 55 00:02:40,410 --> 00:02:43,820 NARRATOR: Ike meanwhile has a different idea. 56 00:02:43,820 --> 00:02:45,420 IKE: I'm broke. 57 00:02:45,420 --> 00:02:49,100 If I get the ticket I'm going to sell it for money. 58 00:02:49,100 --> 00:02:53,200 Because I know, these suckers want it really bad. 59 00:02:53,200 --> 00:02:54,880 PHIL: We have some people whose 60 00:02:54,880 --> 00:02:56,390 samples look pretty good. 61 00:02:56,390 --> 00:03:00,620 They seem to be wanting to try a lot of different solvent 62 00:03:00,620 --> 00:03:03,250 systems, a lot of different temperatures. 63 00:03:03,250 --> 00:03:04,600 They're asking a lot of questions. 64 00:03:04,600 --> 00:03:06,710 They want to make sure that everything is perfect. 65 00:03:06,710 --> 00:03:09,900 Because I think everyone wants to get the biggest crystal. 66 00:03:09,900 --> 00:03:11,330 They're very determined. 67 00:03:11,330 --> 00:03:12,690 They're going for all or nothing. 68 00:03:12,690 --> 00:03:15,310 They don't want a bunch of small crystals. 69 00:03:15,310 --> 00:03:18,080 LINA: Next week, we're going to win the biggest crystal 70 00:03:18,080 --> 00:03:19,150 competition. 71 00:03:19,150 --> 00:03:20,955 Because the winners get to take the TAs and Professor 72 00:03:20,955 --> 00:03:23,130 Dolhun out to lunch. 73 00:03:23,130 --> 00:03:24,785 JULIE: Legal Sea Foods, for free. 74 00:03:24,785 --> 00:03:26,380 NARRATOR: So that's it. 75 00:03:26,380 --> 00:03:28,130 Everything's set and everyone's 76 00:03:28,130 --> 00:03:30,080 excited about the prize. 77 00:03:30,080 --> 00:03:32,000 But, who will win? 78 00:03:32,000 --> 00:03:35,520 Find out next time on 5.301. 79 00:03:35,520 --> 00:03:39,714 JULIE: Yeah, we're done. 80 00:03:39,714 --> 00:03:41,816 PHIL: I'm having this re-occurring dream. 81 00:03:41,816 --> 00:03:44,790 It's like I'm jogging through a park with a 82 00:03:44,790 --> 00:03:45,320 fitness boot camp. 83 00:03:45,320 --> 00:03:47,950 And I stop to talk to Kris Jenner. 84 00:03:47,950 --> 00:03:50,857 And I always say, no, no, no, Kris, I can't talk 85 00:03:50,857 --> 00:03:52,770 to you right now. 86 00:03:52,770 --> 00:03:55,590 And she pours Kool-Aid on me. 87 00:03:55,590 --> 00:03:58,360 And I wake up drenched in Kool-Aid. 88 00:03:58,360 --> 00:03:59,020 That's a dream. 89 00:03:59,020 --> 00:04:02,350 If it was Bruce Jenner pouring Kool-Aid on me, that would be 90 00:04:02,350 --> 00:04:02,650 a nightmare. 91 00:04:02,650 --> 00:04:09,259 [MUSIC PLAYING]