SCIENCE GURUS LODGE - Education (29)

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Re: SCIENCE GURUS LODGE by Nobody: 4:25pm On Oct 26, 2013

drstan: activation energy?? First define activation energy

activation energy is da'energy required for a reaction take place by lowering the reaction.

Re: SCIENCE GURUS LODGE by Mikebis(m): 4:39pm On Oct 26, 2013

FrancisTony: chcl3 + koh -- kcl + h20 + chcl2

wrong

Re: SCIENCE GURUS LODGE by Mikebis(m): 4:40pm On Oct 26, 2013

FrancisTony: it's activation energy

d ansa is quenchd rxt

Re: SCIENCE GURUS LODGE by Mikebis(m): 4:42pm On Oct 26, 2013

FrancisTony: activation energy is da'energy required for a reaction take place by lowering the reaction.

chai..bro dat is not activatn energy defnitn o.activatn energy is d energy barrier dat mst b over b4 a chemical rxt can occur.

Re: SCIENCE GURUS LODGE by Mikebis(m): 4:52pm On Oct 26, 2013

FrancisTony: oboi, do u mean exorthermic and endothermic

lol..no,i mean endergonic nd exergonic reactn they are dffrnt 4rm exothermic nd endothermic reaction

Re: SCIENCE GURUS LODGE by Nomski0(f): 5:04pm On Oct 26, 2013

Endergonic reaction is a reaction that is non spontaneous, energy is absorbed hence, delta G is positive. The opposite is for exergonic, delta G is negative, and energy is lost.

Re: SCIENCE GURUS LODGE by Odilop: 5:37pm On Oct 26, 2013

Mikebis: lol..no,i mean endergonic nd exergonic reactn they are dffrnt 4rm exothermic nd endothermic reaction

exergonic is anoda name for exothermic. And endergonic anoda name endothermic. Catabolic processes is an example of exergoni while anabolic processes is an example of endergonic

Re: SCIENCE GURUS LODGE by Nobody: 5:46pm On Oct 26, 2013

Mikebis: wrong

oya what's the equation and define quenched reaction.

Re: SCIENCE GURUS LODGE by drstan(m): 5:56pm On Oct 26, 2013

Mikebis: d ansa is quenchd rxt

is dat d ful word, "quenchd"?

Re: SCIENCE GURUS LODGE by drstan(m): 6:00pm On Oct 26, 2013

What d ful meaning of...
1.EDTA
2.ATP
3.FADH
4.NADH
5.NAD

Re: SCIENCE GURUS LODGE by Odilop: 6:36pm On Oct 26, 2013

FrancisTony: oya what's the equation and define quenched reaction.

a. Reaction is said to b quenched when it is brought to halt abruptly

Re: SCIENCE GURUS LODGE by Mikebis(m): 6:42pm On Oct 26, 2013

Nomski0: Endergonic reaction is a reaction that is non spontaneous, energy is absorbed hence, delta G is positive. The opposite is for exergonic, delta G is negative, and energy is lost.

yap korect,buh u can also put it dis way.
Exergonic rxt is a process in which d P.E of d final stage is less dan dat of d initial state is one dat yield energy(energy out)
whle endergonic rxt is a process whch d P.E of d final stage is greata dan dat of d initial state is one dat requires energy(energy in)
they also similar to exothermic nd endothermic.d final nd initial cn also b refrd to as d product nd reactant,we all knw dat wen d product is greata dan reactant,its endothermic nd wen reactant is grta dan product,its exothermic.
Exothermic nd exergonic are negative,whch cn take place in spontaneous,whl endothermic nd endergonic are positive,whch cant take place in spontaneous.

Re: SCIENCE GURUS LODGE by Mikebis(m): 6:43pm On Oct 26, 2013

Odilop: ;Dexergonic is anoda name for exothermic. And endergonic anoda name endothermic. Catabolic processes is an example of exergoni while anabolic processes is an example of endergonic

i wll gv u 50%

Re: SCIENCE GURUS LODGE by Mikebis(m): 6:52pm On Oct 26, 2013

FrancisTony: oya what's the equation and define quenched reaction.

i cn c d work of gugle in ur answer,i wonda where u c potassium hydroxide.i gues gugle no gv u d eqn.lol.no mind me,here is it.
RNH2 + 3NaOH + CHCl3-->R-N=C +3NaCl +3H2O.
Whr R is knw as alkyl
CHCl is knw as chloroform
R-N is knw has alkyl wt single bond nd nitrogen.
4rm d rxt heat is involvd
alkali react wt chloroform when heated to gv alkyl isocyamide i.e R-N=C,whr = means double bond.
Take note of dis,it wll defnitely help u.

Re: SCIENCE GURUS LODGE by Odilop: 7:23pm On Oct 26, 2013

Mikebis: i wll gv u 50%

bros,which course are u studin?

Re: SCIENCE GURUS LODGE by Nobody: 8:04pm On Oct 26, 2013

Ask Biology!!!!!! Why are bones stronger than cartilages?

Re: SCIENCE GURUS LODGE by Mikebis(m): 8:07pm On Oct 26, 2013

drstan: What d ful meaning of...
1.EDTA
2.ATP
3.FADH
4.NADH
5.NAD

EDTA=ethylendiaminetetraacetic acid
ATP=adenosine tri phoshate
FADH=flavin adenine dihydrogenase
NADH=nicotiamide adenine dihydrogenase
NAD=nicotinamide adenine dinucleotide

Re: SCIENCE GURUS LODGE by Mikebis(m): 8:10pm On Oct 26, 2013

Odilop: bros,which course are u studin?

am studn industrial chemistry,buh rite nw am planing to mv to ui to study med nd sug

Re: SCIENCE GURUS LODGE by Nobody: 8:25pm On Oct 26, 2013

Elliotwiz1: Ask Biology!!!!!! Why are bones stronger than cartilages?

two third of the bone is made up of dead cells..

Re: SCIENCE GURUS LODGE by Nobody: 8:31pm On Oct 26, 2013

drstan: What d ful meaning of...
1.EDTA
2.ATP
3.FADH
4.NADH
5.NAD

ATP - Adenosine tri phosphate

Re: SCIENCE GURUS LODGE by drstan(m): 8:33pm On Oct 26, 2013

Mikebis: EDTA=ethylendiaminetetraacetic acid
ATP=adenosine tri phoshate
FADH=flavin adenine dihydrogenase(DINUCLEOTIDE REDUCE)
NADH=nicotiamide adenine dihydrogenase(DINUCLEOTIDE REDUCE)
NAD=nicotinamide adenine dinucleotide

,dat "dihydrogenase" i just put d rite word 4 u!

1 Like

Re: SCIENCE GURUS LODGE by Nobody: 8:34pm On Oct 26, 2013

Mikebis: am studn industrial chemistry,buh rite nw am planing to mv to ui to study med nd sug

chai, all of you here are already in uni

Re: SCIENCE GURUS LODGE by Mikebis(m): 8:37pm On Oct 26, 2013

drstan: ,dat "dihydrogenase" i just put d rite word 4 u!

i dnt get u,u mean dihydrogenase is nt 4 DH rite?

Re: SCIENCE GURUS LODGE by drstan(m): 8:38pm On Oct 26, 2013

FrancisTony: chai, all of you here are already in uni

hahahahaha na turn by turn

1 Like

Re: SCIENCE GURUS LODGE by Mikebis(m): 8:42pm On Oct 26, 2013

FrancisTony: chai, all of you here are already in uni

dnt wori tony,i wll defnitly join u in UI.are u nt FrancisTony iu ui admssn thread,actualy am already in adekunle ajasin studn industrial chem,buh like i said early am mvn to ui to study med nd surg

Re: SCIENCE GURUS LODGE by drstan(m): 8:45pm On Oct 26, 2013

Mikebis: i dnt get u,u mean dihydrogenase is nt 4 DH rite?

ya , DH is dinucleotide reduce,or reduce nicotianmide adenine dinucleotide

1 Like

Re: SCIENCE GURUS LODGE by Nobody: 8:45pm On Oct 26, 2013

Mikebis: dnt wori tony,i wll defnitly join u in UI.are u nt FrancisTony iu ui admssn thread,actualy am already in adekunle ajasin studn industrial chem,buh like i said early am mvn to ui to study med nd surg

yeah, am the one.

Re: SCIENCE GURUS LODGE by Mikebis(m): 9:30pm On Oct 26, 2013

@drstan thank u 4 dat
@francistony no prob
let fnd a solt to dis prob
1.explain d follwn terms
a.exclusion limit
b.retardation factor.
2.list some of d applictn of ion change in chromatography.
3.calculate d fraction of solute after four operatns.d distributn ratio of d solid is 3.
3.drive d eqn dat rlate d distributn ratio to d partitn coefficient.KD
whr KD=equilibrium distribution

Re: SCIENCE GURUS LODGE by drstan(m): 10:13pm On Oct 26, 2013

Mikebis: @drstan thank u 4 dat
@francistony no prob
let fnd a solt to dis prob
1.explain d follwn terms
a.exclusion limit
b.retardation factor.
2.list some of d applictn of ion change in chromatography.
3.calculate d fraction of solute after four operatns.d distributn ratio of d solid is 3.
3.drive d eqn dat rlate d distributn ratio to d partitn coefficient.KD
whr KD=equilibrium distribution

1a.is the upper range or limit of a molecular weight beyond which molecule can be eluted. 1bthe ratio of d distance travel of d solvent 2.hmmm, its mainly use protien purification, separatin ions 4rm polar solvent,making usin of bead with holes(e get as e b sha) (3and4=am leavin it 4 d pure nd aplaid chemistry gurus)

Re: SCIENCE GURUS LODGE by Nobody: 10:48pm On Oct 26, 2013

I-am-Winner:
two third of the bone is made up of dead cells..

wrong

Re: SCIENCE GURUS LODGE by Theprof: 11:58pm On Oct 26, 2013

Mikebis: EDTA=ethylendiaminetetraacetic acid
ATP=adenosine tri phoshate
FADH=flavin adenine dihydrogenase
NADH=nicotiamide adenosin dihydrogenase
NAD=nicotinamide adenine dinucleotide

Re: SCIENCE GURUS LODGE by Theprof: 12:02am On Oct 27, 2013

Mikebis: EDTA=ethylendiaminetetraacetic acid
ATP=adenosine tri phoshate
FADH=flavin adenine dihydrogenase
NADH=nicotinamide adenine dihydrogenase
NAD=nicotinamide adenine dinucleotide

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