Top answers

A student reacts 50.0cm^3 of 2.00mol dm^-3 HCl with 25.0cm^3 NaOH. What is the concentration of NaOH?

n(HCl) = 0.05 dm^3 x 2 mol dm^-3 = 0.1 mol Ratio HCl : NaOH = 1 : 1 = 0.1 mol : 0.1 mol c(NaOH) = 0.1 mol / 0.025 dm^3 = 0.4 mol dm^-3
SW
Answered by Sam W. • Chemistry tutor
4348 Views

Given that y = ((4x+3)^5)(sin2x), find dy/dx

First of all, we have to use the product rule, since two things are multiplied together. The product rule states that d/dx (u*v) = vu' + uv' Let u = (4x+3) 5 v = sin(2x) Now, to find u' and v' we have to fin...
JN
Answered by Juozas N. • Maths tutor
3868 Views

‘Women struggle to find an identity in a world dominated by men’. By comparing The Great Gatsby with Sister Carrie, discuss how far you agree with this view. (30 Marks)

In America during the late nineteenth and early twentieth centuries, women had a very restricted role within society. Their lack of access to education limited their capability to interact with society in a ...
SO
8642 Views

Compare the significance of isolation in two texts you have studied

As a result of being isolated, both Brick, from Cat on a Hot Tin Roof, and Frank, from Revolutionary Road, are profoundly damaged individuals, subsequently leading to self-hate and the misuse of their wives,...
LD
8073 Views

Solving Quadratic Equations

x^2+5x+6=0 When solving quadratic equations our goal is to revert back into the form (x+a)(x+b) from the form ax^2+bx+c Thus we need to have a method when completing this: A good method in this case is that ...
AN
Answered by Anoop N. • Maths tutor
4149 Views