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Re: University Of Ibadan 2015/16 Applicants by mikechibuzor(m): 9:17am On May 27, 2015 |
horpeyemmi66:thanks very much. With time it will sink in. |
Re: University Of Ibadan 2015/16 Applicants by horpeyemmi66(m): 9:23am On May 27, 2015 |
Pr0ton:Naughty boy...well, nah attempt I wan attempt. 1) Workdone= mgh=103 X10 X40 .......Workdone=41200/60s=686.7J/s 2) Workdone in giving Nozzle Velocity, a nutty one there, here is what I came up with from Mass flow rate= Mass/time .......... Mass flow rate=103/60s ...........=1.71Kg/s(*) but, Workdone= F X d .........Workdone=m X a X h .........Workdone=m X V/t X h .........Workdone=m/t X V X h(**) recall that m/t from * above, m/t= 1.71kg/s Substititing into(**) Workdone= 1.71 X 6 X 40 Workdone for nozzle velocity= 410.4J 3) Power= workdone/t Power=m X g X h/t Power=m X g x V Power= 103 X 10 X 40/6 Power= 1030 X 6.67 Power=6.87KW cc Polymath, mikechibuzor, DrHost, thaotech....Please verify the claims above. |
Re: University Of Ibadan 2015/16 Applicants by cassyrooy(m): 9:26am On May 27, 2015 |
Pr0ton: Is that epitaph below your said case or you're probably waiting for my reply. Apparently, you have no idea of what the group is like. The other day you joined you were only after the girls there. I think that's what gives you the impression of we being "less motivated to read but rather use the platform to socialize." You brought the nonsense. Even ogunsinamayowa who doesn't spend much time in the group wouldn't come up with such dimwitted idea. Rather stay silent of what you're obviously ignorant of than making up stupid talk that only gives you a strain of inanity. I was right associating you with weeders afterall. Now you've got a self-acclaimed name, madman. Bravo.(pardon my tongue) |
Re: University Of Ibadan 2015/16 Applicants by horpeyemmi66(m): 9:29am On May 27, 2015 |
*CHEMISTRY 1. Calculate the solubility product of lead iodide at 25 degree celcius, given that its solubility at this temperature equals 1.65 x 10^-5 mol/dm3 2.Given that the solubility product of strontium(II) tetraoxosulphate (VI) at 25 degree celcius equals 3.2 X 10^-7 mol^2 dm^-6, Calculate the Solubility at this temperature. Cc DrHost, Polymath, PrOton ,Buuhmhite, thaotech, mikechibuzor, Dr.Sage, Whales2020, FunkySilver et al |
Re: University Of Ibadan 2015/16 Applicants by horpeyemmi66(m): 9:39am On May 27, 2015 |
Sir. PrOton, I modestly hide my head... @PrOton, does words are demeaning and ignoble...calling a person a madman whom you have quoted a lot in times past suggests you are a what? psycho?, a "Semi-madman"? Calling an apparently sane person a Mad man ipso facto means one is not in full position of his total Faculties Cassy, biko, just wave that off with a finger inugo. PS: I am not taking sides, I have come too far to be sorry for what I stand for! |
Re: University Of Ibadan 2015/16 Applicants by mikechibuzor(m): 9:41am On May 27, 2015 |
Pr0ton:i. W=mgh w=10*3*10*40 W=12000j ii. No idea. iii. P=f x displacement/time p=mg*v =30*10*6 P=1800w =1.8kw. |
Re: University Of Ibadan 2015/16 Applicants by mikechibuzor(m): 9:55am On May 27, 2015 |
horpeyemmi66:who am i to verify for my boss. I'm just an average science student. I think what he meant to write was 'TEN 3kg' or not. I didnt even get a clue,the way you solved no 2 shows you are an absolute genius no doubts. |
Re: University Of Ibadan 2015/16 Applicants by horpeyemmi66(m): 10:07am On May 27, 2015 |
mikechibuzor:Modestly, I say Thank you... |
Re: University Of Ibadan 2015/16 Applicants by Nobody: 10:17am On May 27, 2015 |
pls add me up to the whatsapp group 07063771052 1 Like 1 Share |
Re: University Of Ibadan 2015/16 Applicants by Bhuumhite(f): 10:55am On May 27, 2015 |
@proton...make i try
i.w=mgh=10^3 *10*40=400,000J=400KJ
ii.w=F x V x T=Mg x V x T
=10^3*10*6*60s
=3600000J=3600KJ
iii.P=Fxv=MgxV
=10^3*10*6=60000W=60KW |
Re: University Of Ibadan 2015/16 Applicants by Bhuumhite(f): 10:57am On May 27, 2015 |
![]() horpeyemmi66:hmmn |
Re: University Of Ibadan 2015/16 Applicants by horpeyemmi66(m): 11:10am On May 27, 2015 |
Bhuumhite:Sey mo safe sha? |
Re: University Of Ibadan 2015/16 Applicants by mikechibuzor(m): 11:41am On May 27, 2015 |
horpeyemmi66:.. your welcome. To ur question. I.Lead (ii)iodide PbI2(aq) --> Pb^2+(aq) + 2I^-(aq). K sp=[pb^2+][2I^-]^2 let the molar solubility be x so, 1.65 x 10^-5 =[x][2x]^2 1.65 x 10^-5= 4x^3 x^3=4.125 x 10^-6 x=0.103. Since, PbI2 gives 1 ion of Pb^2+ and 2 ions of 2I^-, their respective sp are 0.01603mol/dm^3 and 0.03206mol/dm^3. An attempt i know is wrong. |
Re: University Of Ibadan 2015/16 Applicants by thaotech: 1:23pm On May 27, 2015 |
horpeyemmi66:1. 3.3*10^-10 2. 1.6*10^-7...waiting |
Re: University Of Ibadan 2015/16 Applicants by horpeyemmi66(m): 1:33pm On May 27, 2015 |
thaotech: mikechibuzor:Try harder...just think by the way this is Lead Iodide, PbI2 and Strontium tetraoxosulphate (VI) SrSO4. |
Re: University Of Ibadan 2015/16 Applicants by abdulquadri(m): 4:04pm On May 27, 2015 |
all these were local govt system in Nig prior to 1976 except (a)county council (b)municipality (c)urban council (d)commune council |
Re: University Of Ibadan 2015/16 Applicants by abdulquadri(m): 4:24pm On May 27, 2015 |
1).Nig experienced her military coup in year?
2).d coup was called?
3)d first military head of state was?
4)how many political parties were recognized in the second republic?
5).the third military head of state was toppled by? |
Re: University Of Ibadan 2015/16 Applicants by Bhuumhite(f): 4:59pm On May 27, 2015 |
horpeyemmi66:eerrmm.....,yep,buh...there are two things involved |
Re: University Of Ibadan 2015/16 Applicants by horpeyemmi66(m): 7:16pm On May 27, 2015 |
Bhuumhite:Don't go all Basket mouth on me nah |
Re: University Of Ibadan 2015/16 Applicants by tobillionaire(m): 7:29pm On May 27, 2015 |
Pr0ton:. I). 4.0x10^5j Ii) Back to sender ![]() Iii)59.70kW |
Re: University Of Ibadan 2015/16 Applicants by Pr0ton: 10:04pm On May 27, 2015 |
cassyrooy: Reading this wasn't funny: cassyrooy: I couldn't go passive over it, no, not over an insult. Now you know how it feels. horpeyemmi66: Check out his post and see who called who madman first. |
Re: University Of Ibadan 2015/16 Applicants by Pr0ton: 10:24pm On May 27, 2015 |
Pr0ton: tobillionaire: Bhuumhite: horpeyemmi66: Is it the water pumping through the nozzle that makes me naughty now horpeyemmi66: mikechibuzor: i.. work done = mgh = 1000 x 10 x 40 = 4 x 105J ii.. work done = 1/2mv2 = 1/2 x 1000 x 36 = 18 x 103J iii.. Total work done = 4 x 105J + 1.8 x 104J = 4.18 x 105J Power = work done/ time = 4.18 x 105/ 60 = 7.0 x 103w = 7.0Kw @Eldee.. That your question le gan oo ![]() 2 Likes 1 Share |
Re: University Of Ibadan 2015/16 Applicants by Pr0ton: 11:29pm On May 27, 2015 |
horpeyemmi66: PbI2 = Pb2+ + 2I- [Pb2+] = 1.65 x 10-5mol dm-3 [I-] = 2 x 1.65 x 10-4 = 3.3 x 10-4 Ksp = [Pb2+] [I]- = ( 1.65 x 10-5 ) x ( 3.3 x 10-4 ) 2 = ( 1.65 x 10-5 ) x ( 1.09 x 10-7 ) = 1.80 x 10-12 mol3 dm-9 2.Given that the solubility product of strontium(II) tetraoxosulphate (VI) at 25 degree celcius equals 3.2 X 10^-7 mol^2 dm^-6, Calculate the Solubility at this temperature. SrSO4 = Sr4+ + 4SO[sup]- [Sr4+] = y mol dm-3 [SO-] = 4y mol dm-3 Ksp = [Sr4+] [SO-]4 = y x (4y)4 256y5 = 3.2 x 10-7 mol 2 dm-6 y5 = 3.2 x 10-7 / 256 y = 5√1.25 x 10-9 y = 1.77 x 10-4 mol dm-3 ![]() ![]() ![]() |
Re: University Of Ibadan 2015/16 Applicants by horpeyemmi66(m): 4:22am On May 28, 2015 |
Pr0ton:hahahaha!....but you amazed me, you were so close, very very close; and I think that is very Laudable. You will see how close you came before you can spell JACK ROBINSON...lols I want to clarify something before delving any further, for the general salt AaBb: Ks ↔ [aA^b+]^a x [bB^a-]^b Now to no 1.... PbI2↔ [Pb^2+] x [I^-1] Ks↔ [Pb^2+] x [2I^-1]^2......(**) Ks↔ [1.65 x 10^-5] x [2 x 1.65 x10^-5]^2 Ks↔ [1.65 x 10^-5] x [3.30 x 10^-5]^2 Ks↔ [1.65 x 10^-5] x [10.89 x 10^-10] Ks= 17.96 x 10^-15 Ks= 1.796 x 10^-14 One might wonder where PrOton got the unit to his answer which is very correct, here is what he did: Concentration is measured in Mol dm^-3 abi? So putting Mol dm^3 in place of Pb and I2 in (**), K= [mol dm^-3] x [mol dm^-3]^2 K= [mol dm^-3] x [mol^2 dm^-6] K= mol^3 dm^-9 Therefore, Ks= 1.796 x 10^-14 mol^3 dm^-9. Cc PrOton, you didn't multiply your Iodine ion by 2 2. This is rather explicit needless to say SrSo4↔ [Sr^2+] x [So4^2-] If you follow the format of the general salt above AaBb, in this case nothing changes, ipso facto I mean you don't need to square or multiply any of them in the Brackets[]. So, Ks↔[Sr^2+] x [SO4^2-] 3.2 x 10^-8= [C] x [C] C^2= 3.2 x 10^-7 C= √3.2 x 10^-7 mol^2 dm^-6 C= 1.79 x 10^-7 mol dm^-3 cc PrOton, your standard form notation was not same as above lolz. Nevertheless, you guys have done well. Kudos to Mikechibuzor, thaotech, PrOton. But PrOton, "256y5= 3.2 x 10-7mol2dm-6 y5= 3.2 x 10-7/ 256 y = 5√1.25 x 10-9"....this is abracadabra take the 5th root of the unit and see what you get. And that last fracas, you sef no be pikin again, let it go. 1 Like 1 Share |
Re: University Of Ibadan 2015/16 Applicants by thankyouJesus(m): 7:01am On May 28, 2015 |
cassyrooy:I have deleted mine, no time for story. 1 Like |
Re: University Of Ibadan 2015/16 Applicants by collozzuz: 8:57am On May 28, 2015 |
Sunmax01:IBpoly is quite interesting ! UI sociology ..... How about you? |
Re: University Of Ibadan 2015/16 Applicants by cassyrooy(m): 9:53am On May 28, 2015 |
horpeyemmi66:I cant bring myself to e-war now, and thanks for your well thought comment. Pr0ton:The truth is it is past us now, i'm looking forward to seeing everyone at Ibadan in the shortest future! *whispers*no matter the fight(s) P, we are gonna be friends* |
Re: University Of Ibadan 2015/16 Applicants by cassyrooy(m): 9:55am On May 28, 2015 |
collozzuz:Socio-what? I didnt expect a free lane though, what was your score? ![]() ![]() ![]() |
Re: University Of Ibadan 2015/16 Applicants by horpeyemmi66(m): 10:05am On May 28, 2015 |
cassyrooy:Dalu!, btw, you are Welcome...I can't wait to meet with a "Walking Economics text book!" |
Re: University Of Ibadan 2015/16 Applicants by cassyrooy(m): 10:09am On May 28, 2015 |
horpeyemmi66:'I was' ![]() |
Re: University Of Ibadan 2015/16 Applicants by cassyrooy(m): 10:16am On May 28, 2015 |
thankyouJesus:You did the right thing! For those that have never been on the group, your best exaggerated thought of it can not quantify the amount of pings you could get in a minute. |
Re: University Of Ibadan 2015/16 Applicants by oluwawilliams(m): 10:30am On May 28, 2015 |
STUDY IN UNIVERSITIES IN PHILIPPINES WITH LOW TUITION FEES NO JAMB, NO UTME. Seriously, why kill yourself over jamb while your mates got this information and are now studying in universities with international recognitions. Lots of countries in the world will invite you to study abroad which will be quit expensive and in most cases you've ignored,but have you ever considered the Philippines? Do you know at least 1 out of 10 doctors in the US studied in the Philippines? Do you know south Korea sends not less than a thousand students every month to study in Philippines? Aside from the international standard of teaching,the tuition fees in the Philippines is one of the cheapest you can find around the world. Most students in Philippines pays less than $500(#100,000)per section,which means with $2000(#400,000)you can complete a 4 years degree course. The amazing part of this is you don't need to hustle for admission all you need is your secondary school statement of result(WAEC).With your WAEC result or neco result you can gain admission to any school and course of your choice...below are some key steps you need to follow to become a student of Philippines 1, you need to submit the necessary document(waec result ,photocopy of passport Bio page etc) to any school of your choice in the Philippines and pay the necessary charges for the school to process and send you an invitation letter. 2, you will wait for about 5 working days to receive your invitation letter from the school through DHL. 3, After you've received the invitation, you will prepare other documents for authentication and go get your visa at the Philippines embassy in your country. 4, buy your fight ticket and its done. You will be guided on other processes on your arrival to the Philippines. NOTE :: no payment of tuition fees to any one until your arrival to the Philippines. Admission is sure ,visa is sure...all am here to do is to guide you and give you information about the schools here. And there tuition fees.. for help about studying in Philippines do not hesitate to contact MR Tobi on +639477250322 Email: Tonioni2013@Gmail.com Whatsapp: +639062418709 |
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