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What happens to blood cells in a dilute solution?

They will swell and burst as water will enter the cell through osmosis. Water is more concentrated outside of the cell than in so the cell bursts.

Answered by Sarah O. Biology tutor
3005 Views

What techniques would you use to separate: 1) different colour inks from black ink. 2) ethanol from ethanol and water 3) salt from water

  1. You would use chromatography, the different colours have different affinities depending on the solvent you use. So different colours will travel longer than other on your chromatogram (support).2) Y...
Answered by Chemistry tutor
3977 Views

Solve the simultaneous equations: x+y =2; x^2 + 2y = 12

The first thing to note about this question is that it's a simultaneous equations question, involving a quadratic. We will have to use substution in order to solve it. So first of all we need to chose whi...

Answered by Maths tutor
5588 Views

Are you able to list for me: two examples of a hardwood, and two examples of a softwood?

Hardwoods: oak, mahogany, maple, ash, birch, etc. Softwoods: pine, spruce, cedar, fir, etc. Disallow any manufactured boards, e.g. plywood, MDF, etc.

Answered by Bryce F. Design & Technology tutor
1286 Views

Why do I need to add the + C when finding an indefinite integral?

When you differenciate a function, the constant term turns to 0. So a lot of different functions like x2 + 7 and x2 - 3 will have the same derivative, this means that going from the ...

Answered by Maths tutor
2786 Views

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