Top answers

Explain what is meant by the term 'rate of reaction'?

The change in concentration of reactants or products, per unit of time.
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Answered by Laura M. • Chemistry tutor
2798 Views

How do I talk about the future in Japanese?

Technically, there is no future tense in Japanese! A verb in present tense is exactly the same as a verb in future tense. So 大学に行きます could mean both I am going to university [right now] and I will go to univ...
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Answered by Nicola P. • Japanese tutor
8771 Views

How do I solve a simultaneous equation like this: 2x-5y=3, 3x+2y=14 ?

Solving a simultaneous equation finds the point(s) where two lines on a graph intercept. Therefore, one way of solving the equations is to plot the two lines onto the same graph and find the coordinates of t...
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Answered by Ellie G. • Maths tutor
10596 Views

What's the difference between elastic and inelastic collisions ?

Well it all depends on how the energy of the moving objects is transfered during the collision. In a elastic collision, first the objects are moving toward each other with both a certain kinetic energy, then...
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Answered by FLORENCE T. • Physics tutor
5904 Views

Describe how ethanol can be produced from ethene

Ethanol can be produced by hydrating ethene, through reacting it with steam under the influence of a catalyst e.g. phosphoric acid.
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Answered by Amy A. • Chemistry tutor
4513 Views