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UTME 2017: Thread For Science Jambites - Education (27) - Nairaland

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Re: UTME 2017: Thread For Science Jambites by Godhead4(m): 1:24pm On Apr 24, 2017
Optimist1998:
I'm getting 0.064m


R = u√2H/g

R = 0.8 × √2×5 /10

R= 0.8 × √10/10

R= 0.8 × 1

R= 0.8m
Re: UTME 2017: Thread For Science Jambites by Nobody: 1:25pm On Apr 24, 2017
3. glucose and fructose 4. soap and glycerol propane 123 triol Cc: Genius101 The remaining two, I can't remember.....I'll have to re-check my book

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Re: UTME 2017: Thread For Science Jambites by Nobody: 1:36pm On Apr 24, 2017
Godhead4:
R = u√2H/g
R = 0.8 × √2×5 /10 R= 0.8 × √10/10 R= 0.8 × 1 R= 0.8m
Thanks a bunch
Re: UTME 2017: Thread For Science Jambites by Genius101(m): 3:06pm On Apr 24, 2017
Optimist1998:
3. glucose and fructose
4. soap and glycerol propane 123 triol
Cc: Genius101
The remaining two, I can't remember.....I'll have to re-check my book
not really bro 3.would yield a yellowish brown liquid called caramel for sweetening nd confectionery 4.alkaline hydrolysis of alkanote yields salt of an akanoic acid and alkanol.. Wat u stated is alkaline hydrolysis of fats and oil e.g, Ch3CooC2H5 + KOH - - - - - CH3COOk + C2H5OH (potassium methanoite and ethanol
Re: UTME 2017: Thread For Science Jambites by Nobody: 8:47pm On Apr 24, 2017
Genius101:
not really bro 3.would yield a yellowish brown liquid called caramel for sweetening nd confectionery 4.alkaline hydrolysis of alkanote yields salt of an akanoic acid and alkanol.. Wat u stated is alkaline hydrolysis of fats and oil e.g, Ch3CooC2H5 + KOH - - - - - CH3COOk + C2H5OH (potassium methanoite and ethanol
I was kinda skeptical about that sucrose undecided
Where did you get these questions from as in what year.....

Do you mind answering the one on markovniskov rule and asymmetrical alkane.
Re: UTME 2017: Thread For Science Jambites by felix00(m): 8:50pm On Apr 24, 2017
Optimist1998:
I was kinda skeptical about that sucrose undecided
Where did you get these questions from as in what year.....

Do you mind answering the one on markovniskov rule and asymmetrical alkane.
.
Abt d sucrose... Its in d txt book.. I think he made it up
Re: UTME 2017: Thread For Science Jambites by Nobody: 8:54pm On Apr 24, 2017
felix00:
.
Abt d sucrose... Its in d txt book.. I think he made it up
Funny how it eluded me.
New school chemistry right?
Re: UTME 2017: Thread For Science Jambites by felix00(m): 9:03pm On Apr 24, 2017
Optimist1998:
Funny how it eluded me.
New school chemistry right?

Yep.. I saw it d second time I was reading it... So basically I missed it d first time
Re: UTME 2017: Thread For Science Jambites by Genius101(m): 9:51pm On Apr 24, 2017
Optimist1998:
I was kinda skeptical about that sucrose undecided
Where did you get these questions from as in what year.....

Do you mind answering the one on markovniskov rule and asymmetrical alkane.
in the pressence of peroxide only HBR (hydrogen bromide) does not obey markovniskov rule cos the hydrogen adds to the carbon double bond with the lowest number of hydrogen e.g, Ch3-Ch2-Ch=Ch3 + HBR - - - - - - Ch3-Ch2-Ch2-Ch3BR the hydrogen from the bromine added to the carbon double bond with lower numbers of hydrogen and its called the peroxide effect
Re: UTME 2017: Thread For Science Jambites by Genius101(m): 9:55pm On Apr 24, 2017
Optimist1998:
I was kinda skeptical about that sucrose undecided
Where did you get these questions from as in what year.....

Do you mind answering the one on markovniskov rule and asymmetrical alkane.
in the case of the unsymmetrical alkane is called wurtz reaction where alkane is formed from the rxn BTW an haloginoalkane and sodium
Re: UTME 2017: Thread For Science Jambites by Nobody: 10:07pm On Apr 24, 2017
Genius101:
in the pressence of peroxide only HBR (hydrogen bromide) does not obey markovniskov rule cos the hydrogen adds to the carbon double bond with the lowest number of hydrogen e.g, Ch3-Ch2-Ch=Ch3 + HBR - - - - - - Ch3-Ch2-Ch2-Ch3BR the hydrogen from the bromine added to the carbon double bond with lower numbers of hydrogen and its called the peroxide effect
Alright..........Helpfull
Re: UTME 2017: Thread For Science Jambites by Genius101(m): 1:53pm On Apr 25, 2017
For a concave mirror to serve as dentist mirror, the object must be placed btw the_________ and_________ of the mirror
Re: UTME 2017: Thread For Science Jambites by felix00(m): 2:17pm On Apr 25, 2017
Genius101:
For a concave mirror to serve as dentist mirror, the object must be placed btw the_________ and_________ of the mirror
I think for it to serve as a wateva mirror it must be enlarged and erect.. So there is only one spot u get dat kind of combo I.E btw the pole and principal focus of the mirror.
Re: UTME 2017: Thread For Science Jambites by felix00(m): 2:18pm On Apr 25, 2017
Abeg who av reprint his/her jamb slip for the exam center stuff
Re: UTME 2017: Thread For Science Jambites by castrokiller(m): 5:26pm On Apr 25, 2017
felix00:
Abeg who av reprint his/her jamb slip for the exam center stuff
as of now jamb has not updated anything. lets see 2maow
Re: UTME 2017: Thread For Science Jambites by Godhead4(m): 10:41pm On Apr 25, 2017
A body of mass 8kg is connected to a body of mass 5kg with an inextensible string passing over a frictionless pulley.Calculate the force of friction between the 5kg mass and the horizontal table if the 8kg mass accelerated cowards at 4.5m/s^2. (g=10m/s^2)
Re: UTME 2017: Thread For Science Jambites by SamanN: 11:05pm On Apr 25, 2017
felix00:

I think for it to serve as a wateva mirror it must be enlarged and erect.. So there is only one spot u get dat kind of combo I.E btw the pole and principal focus of the mirror.

You're right. Between F & P the Image is formed behind the mirror. Hence, it is
—Virtual.
—Since it is virtual, it must be erect. &
—Magnified.
Re: UTME 2017: Thread For Science Jambites by frankele(m): 2:54am On Apr 26, 2017
Godhead i got 21.5N
Re: UTME 2017: Thread For Science Jambites by Godhead4(m): 2:00pm On Apr 26, 2017
A plane can travel with a speed of 80km/hr with respect to the air. Determine the resultant velocity of the plane (magnitude only) when it meets a

1)10m/hr head wind
2)10m/hr tail wind
3)10m/hr Cross wind
4)60m/hr cross wind
Re: UTME 2017: Thread For Science Jambites by Godhead4(m): 5:00pm On Apr 26, 2017
.
Re: UTME 2017: Thread For Science Jambites by felix00(m): 5:09pm On Apr 26, 2017
who have reprint his/her own jamb slip for the mock
Re: UTME 2017: Thread For Science Jambites by Nobody: 7:46pm On Apr 26, 2017
Godhead4:
A plane can travel with a speed of 80km/hr with respect to the air. Determine the resultant velocity of the plane (magnitude only) when it meets a
1)10m/hr head wind
2)10m/hr tail wind
3)10m/hr Cross wind
4)60m/hr cross wind
✅Head wind opposes the motion of the plane, resultant velocity = 80-10 = 70km/hr
✅Tail wind from behind= 80 + 10=90km/hr
✅10km/hr crosswind (Pythagoras rule) = √(10²+80²) =80.62km/hr
✅60km/hr crosswind(thesame method above) =100km/hr
Re: UTME 2017: Thread For Science Jambites by felix00(m): 7:48pm On Apr 26, 2017
Optimist1998:

✅Head wind opposes the motion of the plane, resultant velocity = 80-10 = 70km/hr
✅Tail wind from behind= 80 + 10=90km/hr
✅10km/hr crosswind (Pythagoras rule) = √(10²+80²) =80.62km/hr
✅60km/hr crosswind(thesame method above) =100km/hr
.
Dude the options are in m/hr not km/hr
Re: UTME 2017: Thread For Science Jambites by Nobody: 7:55pm On Apr 26, 2017
felix00:
. Dude the options are in m/hr not km/hr
I assumed they're typos 'cause m/hr looks strange to me
Re: UTME 2017: Thread For Science Jambites by felix00(m): 8:01pm On Apr 26, 2017
Optimist1998:

I assumed they're typos 'cause m/hr looks strange to me
same here but I think u shld let him correct that
Re: UTME 2017: Thread For Science Jambites by felix00(m): 8:02pm On Apr 26, 2017
felix00:
same here but I think u shld let him correct that
are u taking d mock... Cos I av been trying hard to reprint my stuff since morning and its not going
Re: UTME 2017: Thread For Science Jambites by Nobody: 8:09pm On Apr 26, 2017
felix00:
are u taking d mock... Cos I av been trying hard to reprint my stuff since morning and its not going
I'm not writing the mock exam. What happened? printer problem abi no network? Jamb sha
Re: UTME 2017: Thread For Science Jambites by felix00(m): 8:12pm On Apr 26, 2017
Optimist1998:
I'm not writing the mock exam. What happened? printer problem abi no network? Jamb sha
.
It just not going, I av been trying to open d page on my fone... Its just reloading d same thing
Re: UTME 2017: Thread For Science Jambites by Nobody: 8:23pm On Apr 26, 2017
felix00:
.
It just not going, I av been trying to open d page on my fone... Its just reloading d same thing
I thought that problem was for people that did not indicate their interest during registration undecided
I'd I've said exercise patience but the mock is in 3 days. Just keep trying or you could mail jamb if it persists.
Re: UTME 2017: Thread For Science Jambites by Nobody: 8:26pm On Apr 26, 2017
The pulley question; is acceleration upwards or downwards?
Cc: Godhead4
Re: UTME 2017: Thread For Science Jambites by felix00(m): 8:30pm On Apr 26, 2017
Optimist1998:
I thought that problem was for people that did not indicate their interest during registration undecided
I'd I've said exercise patience but the mock is in 3 days. Just keep trying or you could mail jamb if it persists.
Maybe am doing it the wrong way.. Have u seen anyone reprint his/her own.. Maybe u can give me some tips on how to check it
Re: UTME 2017: Thread For Science Jambites by Nobody: 8:33pm On Apr 26, 2017
felix00:
Maybe am doing it the wrong way.. Have u seen anyone reprint his/her own.. Maybe u can give me some tips on how to check it
Most people on myschool said the venue didn't change. They only altered the date.

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