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Syam
Questions and answers by visitors named
Syam
Questions (33)
Concentrated hydrochloric acid has a purity of 36.0% by mass. The density of the concentrated of the acid is 1.19 g/mL.Determine
2 answers
512 views
Commercial hydrobromic acid can be purchased as 40.0 % by mass 9f HBr. The density of this acid is 1.38 g m/L. Calculate the
4 answers
1,660 views
A solution of ethanol has a concentration of 4.613 mol/L at 20ºC. The density of the solution is 0.9667 g m/L.. Calculate the
2 answers
509 views
Absolute value equation
|1-X| = 2X-5
1 answer
327 views
|X+4| = |3X+10|
3 answers
238 views
Convert 1kwh to joules
1 answer
402 views
How much ethanol must be used to prepared 150 mL 10% by volume?
1 answer
394 views
A solution of acetic acid was prepared by mixing glacial acetic acid with water.The solution was 25% of acetic acid by
2 answers
593 views
Suggest why calcium compound produce a coloured flame but magnesium do not?
1 answer
385 views
From equation x= A sin wt, prove that the acceleration of SHM is a= -w^2x
w is omega actually.. 2.using relationship between
2 answers
679 views
What are the orbital used in the formation of [COCL4]^2- ?explain this..
5 answers
466 views
Why Mg2+ ion has smaller radius than Mg atom?
2 answers
1,113 views
An electron is released from rest in a uniform electric field and accelerates to the north at a rate of 115 m/s^2.Determine the
2 answers
555 views
Two point charges of magnitude +40x10^-6C and -60x10^-6C are placed 50 cm apart. What is the distance from +40x10^-6C charge
3 answers
929 views
Determine, (at a point 10.0cm from a point charge of 100x10^-6C)
a. The electric potential b. Electric field strength
1 answer
429 views
Two point charges of magnitude +3.0 nC and +2.0 nC respectively are placed 2.0cm apart. Calculate the resultant electric field
2 answers
696 views
The distance of electron from the nucleus in a hydrogen atom is 5x10^-11m.Estimate the electrical potential energy of atom
1 answer
428 views
40E6/x-60E6/(0.5-x)=0.. Solve x..
1 answer
363 views
Two point charges of +40x10^-6C and -60x10^-6 are placed 50 cm apart. What is the distance from +40x10^-6 charge along the line
2 answers
1,212 views
The distance of electron from the nucleus in a hydrogen atom is 5x10^-11m.Estimate the electrical potential energy of atom
2 answers
563 views
Show that y=|x-3|is not differentiable at x=3
1 answer
448 views
Find the differentiation of the following function
a) y=5x^4(x-7)^1/2 b) y=(2(x)^1/2-(3))/(x)^1/2+1
5 answers
340 views
Differentiate the following function with respect to x
a) ln((2x-1/1+x)^1/2)
4 answers
383 views
Find second differentiation for function x^3=ycosx
5 answers
413 views
(sin 4x cos 3x)^2 differentiate the following function
1 answer
433 views
Find the first derivative of following function log5 (2x+1/3x-1)
2 answers
513 views
Differentiate the following implicit dunction and find dy/dx ln (3xy)=2xy^2
5 answers
642 views
Find first derivative of following function x^2 log4 (x+1)^2
1 answer
352 views
Two capacitor 3.0 pico Farad and 6.0 pico Farad are connected in series. If the capacitor connected to a potential difference of
2 answers
539 views
A proton is shot into an electric field of magnitude 1x10^4 NC^-1.if the velocity of the proton as it enters the field is 1x10^6
1 answer
513 views
How to determine the direction of magnetic field?
3 answers
456 views
How to change 450 A cm^-2 of current density to si units
1 answer
395 views
2NO(g) + Cl2(g) --> 2NOCl(g)
If the reaction is second order with reapect to NO and first order with respect to Cl2, a.write rate
4 answers
2,756 views
Answers (10)
How you get (2/1) in the []?
How to separate x and y for RHS
ln (3x) + ln (y) = 2xy^2 Is it need to separate in the bracket?
Why 6x become power of 2 at the end?
How do you change y= (1/2)( ln(2x-1) - ln(1+x) )
For me to simplify the answer is the most difficult. Especially when meet fraction or with surd..
What is the exact formula to solve the question above?
Yes. It is Co.. Sorry for my wrong
My browser cannot identified the link..
Why no answer?
