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Author Topic: CHEM AND BIO HELP AND TIPS HERE  (Read 333835 times)

Offline WARRIOR

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #720 on: May 15, 2010, 02:51:05 pm »
Quote from: rhea on May 15, 2010, 02:07:03 pm
yeah but stuff like relation between concentration and volume...what test to carry out when they randommly ask for testing sumthing...
i dont get theses freaking things AT ALL! :|
https://studentforums.biz/index.php/topic,7663.0.html
this might hlp!
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Offline J.Darren

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #721 on: May 15, 2010, 03:08:06 pm »
Mole number = Volume x Concentration.

The greater the concentration, not only that there will be more particles per dm^3 for collision, the product would increase proportionally ...
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Offline CatAly$t

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #722 on: May 15, 2010, 03:45:32 pm »
Quote from: DEGO on May 15, 2010, 12:24:35 pm
frst the CONTINUOUS VARIATION IS DONE BY THE NATURE: HAVE INTERMEDIATES ,NO SHARP CUT BETWEEN CHAR , NOT CONTROLLED BY GENES (height,weight,.....)
scnd the DISCONTINUOUS VARIATION IS CONTROLLED GENETICALLY: SHARPCUT BETWEEN CHAR ( either boy or girl)(blue or brown eye)....,no inter mediates   
tell me if u got it or not

yup n thx :D
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Offline Vin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #723 on: May 15, 2010, 04:21:46 pm »

guys can u pls. check if this ones right !!

thanks .. q. 4 b)
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6394

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #724 on: May 15, 2010, 04:25:27 pm »
any 1 has m/j 98
if yes den plz answer q3 c & d
thnk u ::)
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Offline WARRIOR

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #725 on: May 15, 2010, 04:29:43 pm »
Quote from: 6394 on May 15, 2010, 04:25:27 pm
any 1 has m/j 98
if yes den plz answer q3 c & d
thnk u ::)
what subject..?
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NO secrets to SUCCESS , it is the result of 1.HARD WORK 2.GOOD PREPARATION 3.LEARNING FROM FAILURE
But it ain't how hard you hit; it's about how hard you can get hit, and keep moving forward-Balboa

6394

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #726 on: May 15, 2010, 04:37:20 pm »
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Offline WARRIOR

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #727 on: May 15, 2010, 04:40:40 pm »
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NO secrets to SUCCESS , it is the result of 1.HARD WORK 2.GOOD PREPARATION 3.LEARNING FROM FAILURE
But it ain't how hard you hit; it's about how hard you can get hit, and keep moving forward-Balboa

6394

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #728 on: May 15, 2010, 04:42:28 pm »
Quote from: Kimo Jesus on May 15, 2010, 04:40:40 pm
p1 p3 or p6  :/
sorry p6
its like i m tooo tensed 4 chem  :P
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Offline WARRIOR

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #729 on: May 15, 2010, 04:46:38 pm »
o ..easy..

Look the product of Molten led iodide is
MOLTEN LEAD AND IODINE GAS RGHT..THE GAS EVAPORATES! but as you see ffrom the diagram teh MOLTEN LEAD is left in the tube..and is in contact with both electrodes..adn hey??? lead is a metal! conducts electricity !!! so it completes the ciricuit !!

and d )  since  lead iodide is toxic..and a gas is produced..always do that in a fume cupbborad ..and wear safety goggles cz gas produced

By the way im doing the exam with you on the 18th goodluck and heere are some notes i wrote ..hope its useful

https://studentforums.biz/index.php/topic,7663.0.html
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NO secrets to SUCCESS , it is the result of 1.HARD WORK 2.GOOD PREPARATION 3.LEARNING FROM FAILURE
But it ain't how hard you hit; it's about how hard you can get hit, and keep moving forward-Balboa

6394

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #730 on: May 15, 2010, 04:52:44 pm »
Quote from: Kimo Jesus on May 15, 2010, 04:46:38 pm
o ..easy..

Look the product of Molten led iodide is
MOLTEN LEAD AND IODINE GAS RGHT..THE GAS EVAPORATES! but as you see ffrom the diagram teh MOLTEN LEAD is left in the tube..and is in contact with both electrodes..adn hey??? lead is a metal! conducts electricity !!! so it completes the ciricuit !!

and d )  since  lead iodide is toxic..and a gas is produced..always do that in a fume cupbborad ..and wear safety goggles cz gas produced

By the way im doing the exam with you on the 18th goodluck and heere are some notes i wrote ..hope its useful

https://studentforums.biz/index.php/topic,7663.0.html

ya i was actually going thru dese notes
very HELPFUL i gav u a +rep :P :) ;)
GUDLUCK 2 U ASWELL
which invariant r u giving ????
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6394

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #731 on: May 15, 2010, 04:54:09 pm »
Quote from: Kimo Jesus on May 15, 2010, 04:46:38 pm
o ..easy..

Look the product of Molten led iodide is
MOLTEN LEAD AND IODINE GAS RGHT..THE GAS EVAPORATES! but as you see ffrom the diagram teh MOLTEN LEAD is left in the tube..and is in contact with both electrodes..adn hey??? lead is a metal! conducts electricity !!! so it completes the ciricuit !!

and d )  since  lead iodide is toxic..and a gas is produced..always do that in a fume cupbborad ..and wear safety goggles cz gas produced

By the way im doing the exam with you on the 18th goodluck and heere are some notes i wrote ..hope its useful

https://studentforums.biz/index.php/topic,7663.0.html
n ya Thanks A LOOOTT
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6394

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #732 on: May 15, 2010, 04:56:05 pm »
N YA 1 more question wat are halides????  :P
i forgot =P
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Offline WARRIOR

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #733 on: May 15, 2010, 04:57:48 pm »
no prob! and im not sure which vairiant im doin lol :P

halides are in group 7

F, CL , I etc..
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NO secrets to SUCCESS , it is the result of 1.HARD WORK 2.GOOD PREPARATION 3.LEARNING FROM FAILURE
But it ain't how hard you hit; it's about how hard you can get hit, and keep moving forward-Balboa

Offline Vin

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Re: CHEM AND BIO HELP AND TIPS HERE
« Reply #734 on: May 15, 2010, 04:59:16 pm »
Quote from: ~VIN1094~ on May 15, 2010, 04:21:46 pm
guys can u pls. check if this ones right !!

thanks .. q. 4 b)

anyone .. check my previous post ..
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