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Solve 4(x-5)=3x-6

First, expand brackets to make your life easy. So you would do 4 times x and 4 times -5 to give u 4x-20. Then gather all the x's on one side of the equation and numbers on the other side. 4x-20=3x-6. Remembe...
AS
Answered by Aymen S. • Maths tutor
5469 Views

Calculate the concentration, in mol dm-3, of a solution of chloric (I) acid, HOCl , which has a pH of 4.23. Chloric acid is a weak acid, with Ka = 3.72 x 10^-8

[H+] = 10^-4.232) [H+]^2 = Ka x [HA]3) [HA] x Ka = (3.467368505 x 10^-9)4) [HA] = 0.0932
AA
Answered by Afshaun A. • Chemistry tutor
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How can I achieve a grade A?

It is absolutely vital that examples are incorporated in the argument of your essay. For every point that is made, an example should be given as it demonstrates your understanding of a political concept. The...
RR
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Explain what an eco town is, including an example

Ecotown's are a government scheme initiated in 2007, with the plan to build 10 eco towns by 2020. Their role is to ease the adorability crisis and develop more places to live that are eco-friendly, whilst al...
ML
Answered by Molly L. • Geography tutor
5875 Views

Was machst du gerne in deiner Freizeit?

In meiner Freizeit spiele ich gerne Fußball. Am Wochenende spielt mein Verein oft gegen andere Vereine in Punktspielen. Manchmal schaue ich, nachdem ich meine Hausaufgaben gemacht habe, Fernsehen. Wenn meine...
AM
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