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Adeola
Questions (29)
A boy walks on a bearing 060 dergee from w point X to a point Y 120 m away.He then walks form Y on a bearing 150 dergee to a
1 answer
306 views
The 10th term of an arithmetic progression is _27 and 5th term is _12 ,what is the 18th term ?find also the sum of its 25 term
3 answers
1,027 views
426cm solve this with length
2 answers
167 views
If the cost of 5mangoes is 40kobo and that of 4oranges is 24kobo, find the cost of 3mangoes and 5oranges.
1 answer
374 views
The speed of point A due to the rotation of the earth is twice that of a point B. If A is on latitude 22°N, calculate the
1 answer
352 views
A hydrogen has an empirical formula CH and a vapour density of 39.Determine its molecular formula,show workings.
1 answer
609 views
How can i synthensize 1g of salicylic acid from Phenol
0 answers
422 views
How can i synthensize 1g of salicylic acid from benzene
0 answers
401 views
The diffusion current for a standard is 1 x 10^-4M solution of hydroquinone is 17.5 microamperes. An unknown solution of
0 answers
423 views
Zinc is to be used as an internal standard for the polarographic analysis of thallium. A standard solution containing twice the
0 answers
597 views
The polarogram for 20ml solution that was 3.65 x 10^-3 M in cadmium (Cd2+) gave a wave for that ion with a diffusion current of
2 answers
824 views
Calculate the volume of NaOH 0.1M that needs to be calculated to be added to a 30ml o-phosphoric acid 0.1 in order to prepare
2 answers
463 views
Solve the following equation
1) root(2x+4)= root(6x+1) -1
1 answer
628 views
(root2 + root3)^2 simplify
1 answer
572 views
How can i factor
27a^2 - 75b^2
1 answer
445 views
A tool shed, 250cm high and 100cm deep, is built agaisnt a wall. Calculate the shortest ladder that can reach from the ground,
1 answer
867 views
A travel agency currently has 80plp signed up a tour. The price of a ticket is $5000 per person. The agency has chatered a plane
2 answers
2,076 views
A cylindrical metal can is made to hold 500ml of soup. Determine the dimensions of the can that will minimize the amount of
1 answer
3,308 views
The position at time t, in seconds of an object moving along a like is s(t)= 3r^3 - 40.5t^2 + 162t fot 0<= t <=8
When is the
0 answers
499 views
When 25ml of 0.10 mol/l HBr is titrated with 0.10 mol/l NaOH, what is the pH at the equivalence point?
2 answers
2,191 views
Predict whether the following solutions are acidic basic or neutral. Provide explanations to support your predictions a)
1 answer
864 views
One mole methane is completly burned in xcess oxygen. If 8.90x10^3kj of heat are given off from theis reaction, calculate the
2 answers
1,044 views
Balance the ewuation using thr oxidation number method
Here is what i did Au+ + H20---> Au2O3 + Au + H+ Au+ losses 3e- to form
1 answer
730 views
Predict whether the Ph endpoint is =7 >7, or<7 for each of the following acid-base titrations. Justify you predictions
a)
1 answer
786 views
What is the cartesian equation of the xz plane
1 answer
714 views
Thank you Ms. Sue for pointing out that huge mistake i made. Other than that is the intro well written?
I changed it up abit What
2 answers
612 views
Can someone please read the intro to my essay and tell me if it makese sense? The topic of the essay is to see whether
2 answers
689 views
Is it possible to say that the main reason that Shakespeare wrote many of his plays is to entertain the people of the
1 answer
423 views
The hypotenuse od a right triangle is 12cm in lenht. Calculate the measures of the unknown angle in the triangle that will
2 answers
1,786 views
Answers (7)
A spiral spring is compressed by 0.04m .calculate the energy stored in the spring ,if the force constant is 800n/m
An object of weight 150N moves with a speed of4.5m/s. In a circular path of radius 3m.Calculation the centripetal acceleration and the magnitude of the centripetal forces. (take g =10m/s2
Yes
I don't get this and my homework is due in 5 minutes if I don't get it done I'll get in trouble. Also, it my birthday who wants to get in trouble on their birthday!?
Solve
I don't know the answer
100g of Pb(NO3)2 dissolve 0.297moles. 1000g of Pb(NO3)2 will dissolve 0.297*1000/100=2.97 mol/dm3
