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Find the turning points of the curve (x^3)/3 + x^2 -8x + 5

Step one, we need to assess what the question is asking us to do, in this case, find the turning points.The turning points on the graph are where the gradient is equal to zero, so in order to find the tur...

Answered by Ellie M. • Maths tutor

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3-methyl pent 2 ene reacts with HBr to form two products. Which of these products is the minor and major product and why?

3-bromo 3 methyl pentane will be the major product while 1 bromo 3 methyl pentane will be the minor. This is due to a more stable carbocation being formed. A secondary carbocation is more stable than a pr...

Answered by Alex N. • Chemistry tutor

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Write 8^2(4^2 / 2^7) in the form 2^x

We know that 8² = (2³)² = 2⁶and 4² = (2²)² = 2⁴So we can write the original expression as 2⁶(2⁴

Answered by Charlotte C. • Maths tutor

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Solve the simultaneous equations y – 3x + 2 = 0, y^(2) – x – 6x^(2) = 0

Start on the easiest equation and solve to find yy-3x+2=0 <=> y=3x-2Then susbtitute in equation the expression of y in the second equation and simplify(3x-2)²-x-6x²=0 <=>...

Answered by Maria P. • Maths tutor

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Under which conditions does CH4 have the same number of molecules as 100cm^3 of O2 at 27 degrees celsius and 1.0x10^5 Pa?

Options:A: 50cm^3, 54 degrees celsius, 1.0x10^5 Pa B: 50cm^3, 327 degrees celsius, 1.0x10^5 PaC: 100cm^3, 54 degrees celsius, 2.0x10^5 PaD: 100cm^3, 327 degrees celsius, 2.0x10^5 Pa
The equation to u...

Answered by Tom P. • Chemistry tutor

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