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Explain the need for a temperature compromise in the Haber Process: N2(g) + 3 H2(g) ⇌2 NH3(g) (ΔH = -92 kJ mol-1)

The Haber process is used to produce ammonia (NH3), so we want the equilibrium position to be as far over to the right hand side of the equation as possible to maximise the yield of NH3. As the enthalpy f...

Answered by Yulia E. • Chemistry tutor

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The sides of a rectangle are x and (x+2), where x>0 the area of the rectangle is 8, what is the value of x?

X*(X+2) = 8X² + 2X = 8X² +2x-8=0S 2P -8N 4, -2(X+4)(X-2)X=-4 X=2X can only be positive in this case so X=2

Answered by George G. • Maths tutor

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What happes in mitosis?

Steps: Use diagrams to draw each step1.Interphase (think 'I' is also a number 1 to start!)DNA has been copied (late G2 phase). Chromosomes are now existing as 2 pairs ca...

Answered by Kirsty H. • Biology tutor

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Explain how electricity is conducted in a metal.

Metals have a giant metallic structure, with regular closely packed layers of positive ions in a 'sea' of delocalised electrons. What this means is that metals have a large number of positive ions, in a r...

Answered by Zeeshan K. • Chemistry tutor

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