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What flame test colours are produced by lithium and barium?

Lithium - Bright Red/Scarlet Barium - Apple green

Answered by Ellie J. • Chemistry tutor

1968 Views

Evaluate the extent to which the impact of globalisation on the state system has been exaggerated.

Hyperglobalisers would argue that the strongest evidence which shows that the impact of globalisation on the state system has not been exaggerated is the effect that economic globalisation has had. Econom...

Answered by Hannah S. • Politics tutor

7465 Views

Describe the process of semi-conservative DNA replication.

Semi-conservative replication is the process of making two molecules of DNA from one DNA molecule, each containing one original DNA strand and one newly synthesised DNA strand. The original double helix i...

Answered by Joseph R. • Biology tutor

14411 Views

Find the co-ordinates where the curve y= 2x^2 + 7x + 3 crosses the x axis

At the x axis, y = 0 so the equation can be made equal to zero. For a polynomial of the form ax^2 + bx + c = 0, find the value of ac. E.G ac is 2*3 = 6. Determine the two numbers which give a sum equal to...

Answered by Sophia P. • Maths tutor

4346 Views

Integrate 1/u(u-1)^2 between 4 and 2

Please see this document which contains a scanned copy of my answer.https://docs.google.com/document/d/1A9idRZsUAy5QMLSJNDQEun-l7mSEjpRLx_Jwx44JoqY/edit?usp=sharing

Answered by • Maths tutor

2291 Views