Top answers


Was hast du in den Sommerferien gemacht?

Ich bin nach Deutschland gefahren. Ich habe Tennis und Fußball gespielt.
LO
Answered by Lauren O. • German tutor
2932 Views

What is the difference between 'passé composé' and 'imparfait' ?

First and foremost, the tenses in French can never be translated literally from English! Whether the phrase 'I was walking' is translated into PC or imparfait is determined by the context of the phrase in th...
MD
Answered by Maria D. • French tutor
3101 Views

Explain why increasing the temperature of a reaction increases the rate of the reaction (2)

By raising the temperature of the reaction mixture, the particles have more (kinetic) energy and so move around at a greater rate. This means there are more frequent collisions, due to the increased speed th...
SH
Answered by Sam H. • Chemistry tutor
3545 Views

(2x+3)/(x-4) - (2x-8)/(2x+1) = 1 Solve for x

Multiply out the denominator, take care to multiply both sides of the equation: (2x+3)(2x+1) - (2x-8)(x-4) = (2x+1)(x-4) Expand the brackets, pay attention the the signs when multiplying, expecially the nega...
LM
Answered by Lucy M. • Maths tutor
3906 Views

How are different substances transported across the cell membrane?

There are several different ways substances can be transported: 1) simple diffusion, i.e. substances that tend to be lipid soluble/ non-polar and can pass easily across the phospholipid bilyar of cells. 2) f...
VS
Answered by Vinay S. • Biology tutor
10985 Views