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What is osmosis and why does it occur?

Osmosis is the movement of water molecules from an area of high water concentration to an area of low water concentration through a partially/selectively permeable membrane (PPM) . It occurs because of conce...
AH
Answered by Anita H. Biology tutor
44796 Views

How do I balance symbol equations?

The most important thing to remember about chemistry equations, whether these are word or symbol equations, is that you must always have the same amount of each species (element or molecule) on both sides of...
KJ
Answered by Kiani J. Chemistry tutor
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A right-angled triangle has base 10cm and height 4cm. What is the area of the triangle?

The first thing we should note here is that we are looking for the area, so we need to recall the formula for the area of a right-angled triangle: Area = (base x height) / 2 Next we can input our values give...
KS
Answered by Kirsty S. Maths tutor
14343 Views

Find the set of values for which: 3/(x+3) >(x-4)/x

First we must consider for which values of x the equation: 3/(x+3) = (x-4)/x is undefined. In this case, x=-3, and x=0. Now we must consider each of the cases, x<-3, -3<x<0, 0<x Case 1 (x<-3):...
DM
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What is the most important aspect of writing to persuade?

When writing to persuade, you need both fact and opinion. You need to offer your opinion and then present facts that give your opinion basis.
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Answered by Mary R. English tutor
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