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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.
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Answered by Sarah O. • Biology tutor
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What techniques would you use to separate: 1) different colour inks from black ink. 2) ethanol from ethanol and water 3) salt from water

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) You would ...
Answered by • Chemistry tutor
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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 which ...
Answered by • Maths tutor
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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.
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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 x 2 + 7 and x 2 - 3 will have the same derivative, this means that going from the derivative to the origi...
Answered by • Maths tutor
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