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What is osmosis?

Osmosis is the movement of water molecules through a partially permeable membrane. Water molecules move from a region of of higher concentration to an area of lower conce...

MT
Answered by Megan T. Biology tutor
3057 Views

Explain how the Kekulé model of benzene is contradicted by the hydrogenation enthalpies of ethene and benzene

The Kekulé model of benzene consists of a 6 membered ring with 3 double bonds. This would imply a hydrogenation enthalpy very similar to that of ethene, since double bonds react with hydrogen in a similar...

LM
Answered by Lukas M. Chemistry tutor
1559 Views

Bluebells can reproduce sexually by producing seeds or asexually by producing bulbs. Name two advantages of sexual reproduction and two advantages of asexual reproduction.

We must start off by highlighting important parts of the question, ensuring that we understand the terms and what the question is asking from you. The key words in this question are reproduce sexu...

EA
Answered by Emily A. Chemistry tutor
21082 Views

What makes something living?

All living things share a certain set of characteristics. The acronym 'MRS NERG' is a helpful way to remember these characteristics:MovementRespirationSensitivityNutritionE<...

AH
Answered by Anna H. Biology tutor
2534 Views

How many real solutions does x²=-36 have?

There are no real answers for this equation.This is because you would have to square root a negative number to solve the equation and that is a mathmatic impossibility.

HC
Answered by Harry C. Maths tutor
1472 Views

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