Opdrachten en Vraagstellingen

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Edelmetalen herwinnen

Last post by Wouter « 18 Jan 2015, 12:28
Posted in Suggesties

by Wouter » 18 Jan 2015, 12:28 » in Suggesties

0 Replies

11966 Views

Last post by Wouter
18 Jan 2015, 12:28

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bier & Capsaïcine

Last post by drbeer « 08 Mar 2018, 18:13

by drbeer » 08 Mar 2018, 18:13

0 Replies

3692 Views

Last post by drbeer
08 Mar 2018, 18:13
Chemie: Het maken van een aluminium-koper batterij

Last post by Wouter « 14 Dec 2017, 19:10
Replies: 1
by Boeker » 13 Dec 2017, 17:30

1 Replies

396 Views

Last post by Wouter
14 Dec 2017, 19:10
Sprays: Gezond of ongezond

Last post by FredericReul « 18 Sep 2017, 18:05

by FredericReul » 18 Sep 2017, 18:05

0 Replies

574 Views

Last post by FredericReul
18 Sep 2017, 18:05
Wet precursoren voor explosieven, de vergunning.

Last post by Richard « 14 May 2017, 11:37
Replies: 3
by Richard » 17 Apr 2017, 16:49

3 Replies

1187 Views

Last post by Richard
14 May 2017, 11:37
oplossing berekenen

Last post by woelen « 08 May 2017, 14:13
Replies: 2
by nickycl » 05 May 2017, 09:39

2 Replies

660 Views

Last post by woelen
08 May 2017, 14:13
wet/regelgeving

Last post by Richard « 12 Apr 2017, 18:42
Replies: 15
by katzenklo » 18 Feb 2012, 11:58
1

2
15 Replies

5129 Views

Last post by Richard
12 Apr 2017, 18:42
Chemische oefeningen

Last post by Hypnoz « 10 Mar 2017, 19:21
Replies: 2
by Hypnoz » 10 Mar 2017, 10:01

2 Replies

8851 Views

Last post by Hypnoz
10 Mar 2017, 19:21
Procesbalansen

Last post by Melkie « 09 Aug 2016, 18:44

by Melkie » 09 Aug 2016, 18:44

0 Replies

1446 Views

Last post by Melkie
09 Aug 2016, 18:44
Wetgeving op elementen

Last post by woelen « 16 Jul 2016, 17:54
Replies: 1
by Rubeke » 12 Jul 2016, 21:31

1 Replies

854 Views

Last post by woelen
16 Jul 2016, 17:54
verdunning van 37% naar 5% zwavelzuur

Last post by woelen « 02 Jun 2016, 09:35
Replies: 5
by samsungnote » 15 Jul 2014, 11:12

5 Replies

2400 Views

Last post by woelen
02 Jun 2016, 09:35
Spiropyraan-probeem

Last post by Pyrochemistry « 09 May 2016, 22:20
Replies: 2
by Sumatriptan » 17 Apr 2016, 17:37

2 Replies

1784 Views

Last post by Pyrochemistry
09 May 2016, 22:20
Berekenen aantal mol in verdunde oplossingen

Last post by MrRedox « 19 Feb 2016, 19:33

by MrRedox » 19 Feb 2016, 19:33

0 Replies

1114 Views

Last post by MrRedox
19 Feb 2016, 19:33
ontleding lijm

Last post by Rutger « 25 Jul 2015, 21:38
Replies: 1
by Thierry » 25 Jul 2015, 18:12

1 Replies

2062 Views

Last post by Rutger
25 Jul 2015, 21:38
rendement waxinebelichting

Last post by Heisenberg « 20 Aug 2014, 00:55
Replies: 3
by natuurkundige123 » 21 Jun 2014, 18:13

3 Replies

2893 Views

Last post by Heisenberg
20 Aug 2014, 00:55
Welke kleuren geven deze experimenten?

Last post by Heisenberg « 20 Aug 2014, 00:22
Replies: 3
by gwnffvragen » 14 Aug 2014, 22:23

3 Replies

1551 Views

Last post by Heisenberg
20 Aug 2014, 00:22
Oefening geneeskunde chemie

Last post by Claire « 22 Jun 2014, 16:36
Replies: 6
by Claire » 22 Jun 2014, 13:08

6 Replies

3199 Views

Last post by Claire
22 Jun 2014, 16:36
Geneeskunde chemie oefening

Last post by Claire « 22 Jun 2014, 12:54
Replies: 2
by Claire » 21 Jun 2014, 22:46

2 Replies

1882 Views

Last post by Claire
22 Jun 2014, 12:54
wat is nu eigenlijk aluin?

Last post by woelen « 10 Apr 2014, 11:27
Replies: 2
by samb » 09 Apr 2014, 15:33

2 Replies

1722 Views

Last post by woelen
10 Apr 2014, 11:27
scheikkunde opdracht

Last post by Wouter « 06 Mar 2014, 18:24
Replies: 1
by minion » 05 Mar 2014, 16:30

1 Replies

1183 Views

Last post by Wouter
06 Mar 2014, 18:24
zuurtegraad van melk in graden dornic berekenen.

Last post by FinalDestillation « 03 Jan 2014, 20:08
Replies: 1
by leergierig meisje » 01 Dec 2013, 11:56

1 Replies

2235 Views

Last post by FinalDestillation
03 Jan 2014, 20:08
Destillatie bij azeotropen.

Last post by woelen « 13 Dec 2013, 14:08
Replies: 1
by Destil brothers » 13 Dec 2013, 10:30

1 Replies

1808 Views

Last post by woelen
13 Dec 2013, 14:08
bereiding cyclohexeen uit cyclohexanol

Last post by Wouter « 26 Nov 2013, 21:43
Replies: 1
by NielsBrouwers » 26 Nov 2013, 17:21

1 Replies

1093 Views

Last post by Wouter
26 Nov 2013, 21:43
Synthese p-nitrobenzoezuur

Last post by Wouter « 22 Sep 2013, 11:41
Replies: 7
by Labadoo » 06 Sep 2013, 10:02

7 Replies

4063 Views

Last post by Wouter
22 Sep 2013, 11:41
Elektrische Impedantie

Last post by Pyrochemistry « 28 Jun 2013, 11:29
Replies: 4
by Pyrochemistry » 15 Jun 2013, 17:04

4 Replies

2068 Views

Last post by Pyrochemistry
28 Jun 2013, 11:29
Eigenschappen van Extractie en Absorptie

Last post by Pyrochemistry « 22 Jun 2013, 11:28
Replies: 3
by michielewiel » 05 Jun 2013, 16:32

3 Replies

1544 Views

Last post by Pyrochemistry
22 Jun 2013, 11:28
Theorie ontsluiting

Last post by Reap « 01 Apr 2013, 23:16
Replies: 7
by Reap » 25 Feb 2013, 09:57

7 Replies

3162 Views

Last post by Reap
01 Apr 2013, 23:16
Het maken van buffers

Last post by iheartit__ « 18 Mar 2013, 21:39

by iheartit__ » 18 Mar 2013, 21:39

0 Replies

1243 Views

Last post by iheartit__
18 Mar 2013, 21:39
pH berekenen

Last post by spidey « 22 Feb 2013, 12:18
Replies: 3
by leergierig meisje » 20 Feb 2013, 17:20

3 Replies

1782 Views

Last post by spidey
22 Feb 2013, 12:18
bereiden van oplossingen

Last post by Wouter « 21 Feb 2013, 15:35
Replies: 2
by leergierig meisje » 20 Feb 2013, 17:46

2 Replies

1370 Views

Last post by Wouter
21 Feb 2013, 15:35
dijoodpentoxide

Last post by Reap « 09 Nov 2012, 08:31
Replies: 2
by leergierig meisje » 05 Nov 2012, 18:26

2 Replies

1632 Views

Last post by Reap
09 Nov 2012, 08:31
magnetische verf

Last post by Reap « 27 Oct 2012, 10:57
Replies: 4
by gunslinger » 09 Oct 2012, 22:20

4 Replies

2246 Views

Last post by Reap
27 Oct 2012, 10:57
sn-1 monolauraat

Last post by Wouter « 17 Oct 2012, 10:45
Replies: 24
by fienie » 02 Jun 2012, 14:20
1

2
24 Replies

6613 Views

Last post by Wouter
17 Oct 2012, 10:45
reactie vergelijkingen

Last post by Reap « 18 Jun 2012, 19:28
Replies: 3
by leergierig meisje » 16 Jun 2012, 09:51

3 Replies

1955 Views

Last post by Reap
18 Jun 2012, 19:28
verschillende concentraties Cu2+ en Cl-

Last post by Reap « 21 May 2012, 02:07
Replies: 2
by Reap » 19 Sep 2011, 09:07

2 Replies

1678 Views

Last post by Reap
21 May 2012, 02:07
Hypochlorite percentage bepalen middels titratie

Last post by Reap « 27 Apr 2012, 17:50
Replies: 8
by pdfbq » 21 Apr 2012, 20:03

8 Replies

3387 Views

Last post by Reap
27 Apr 2012, 17:50
bariumdinitraat

Last post by ruben « 25 Mar 2012, 11:07
Replies: 2
by ruben » 24 Mar 2012, 13:21

2 Replies

1938 Views

Last post by ruben
25 Mar 2012, 11:07
KOH zuiverheid

Last post by Wouter « 23 Mar 2012, 15:37
Replies: 3
by Reap » 22 Mar 2012, 21:54

3 Replies

2069 Views

Last post by Wouter
23 Mar 2012, 15:37
IJzer(II)acetaat stabiliteit

Last post by Reap « 24 Feb 2012, 17:06
Replies: 6
by Reap » 18 Feb 2012, 13:46

6 Replies

2550 Views

Last post by Reap
24 Feb 2012, 17:06
Scheiding van Al2O3, MnO2, Al en Mn

Last post by Reap « 07 Jan 2012, 04:03
Replies: 9
by Reap » 05 Jan 2012, 18:19

9 Replies

2977 Views

Last post by Reap
07 Jan 2012, 04:03
PCR reactie

Last post by Reap « 03 Jan 2012, 15:58
Replies: 6
by saskiia-90 » 21 Dec 2011, 13:24

6 Replies

2851 Views

Last post by Reap
03 Jan 2012, 15:58
Stockoplossingen

Last post by Reap « 21 Dec 2011, 16:52
Replies: 8
by saskiia-90 » 18 Dec 2011, 15:28

8 Replies

3602 Views

Last post by Reap
21 Dec 2011, 16:52
propylparabenen

Last post by Wouter « 05 Dec 2011, 15:49
Replies: 1
by 3_pba_ce » 05 Dec 2011, 15:29

1 Replies

1365 Views

Last post by Wouter
05 Dec 2011, 15:49
HPLC voorbereiding op practicum

Last post by Wouter « 15 Nov 2011, 22:10
Replies: 3
by Reap » 14 Nov 2011, 22:44

3 Replies

2919 Views

Last post by Wouter
15 Nov 2011, 22:10
dichtheid gas

Last post by Reap « 14 Nov 2011, 20:43
Replies: 4
by denyse » 13 Nov 2011, 14:17

4 Replies

1921 Views

Last post by Reap
14 Nov 2011, 20:43
titaniumdioxide

Last post by Reap « 08 Nov 2011, 15:04
Replies: 1
by 3_pba_ce » 08 Nov 2011, 14:42

1 Replies

1352 Views

Last post by Reap
08 Nov 2011, 15:04
Sterk zuur filtreren

Last post by spidey « 08 Oct 2011, 09:44
Replies: 5
by Reap » 06 Oct 2011, 16:01

5 Replies

2550 Views

Last post by spidey
08 Oct 2011, 09:44
Reactie kaliumchromaat - zwavelzuur redoxreactie?

Last post by GeenIdee « 04 Oct 2011, 18:50
Replies: 11
by chemie22 » 29 Sep 2011, 12:22

11 Replies

4362 Views

Last post by GeenIdee
04 Oct 2011, 18:50
Tin uit SnO2

Last post by spidey « 26 Sep 2011, 15:50
Replies: 3
by spidey » 23 Sep 2011, 00:27

3 Replies

1667 Views

Last post by spidey
26 Sep 2011, 15:50
Kopersulfaat maken dmv. elektrolyse

Last post by Reap « 22 Sep 2011, 11:39
Replies: 5
by Reap » 15 Sep 2011, 16:47

5 Replies

4394 Views

Last post by Reap
22 Sep 2011, 11:39
kettingreactie

Last post by Watermuseum « 17 Aug 2011, 09:49
Replies: 6
by Watermuseum » 03 Aug 2011, 14:42

6 Replies

2761 Views

Last post by Watermuseum
17 Aug 2011, 09:49

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