Top answers


Could you explain how an increased temperature increases the rate of reaction?

A chemical reaction will only occur if the molecules collide with enough energy, when you apply heat to a reaction you're giving the molecules more energy so when they collide they're more likely to react. A...
DB
Answered by Dominic B. Chemistry tutor
2712 Views

What are the different averages?

I spent some time working in a factory that made car parts recently and it is a good example of the different kinds of averages. This factory received about 100 orders a week. We could ship roughly 30 of the...
PF
Answered by Peter F. Maths tutor
3468 Views

Typically, texts about husbands and wives present marriage from a male point of view.’

Come, come, you froward and unable worms, My mind hath been as big as one of yours, My heart as great, my reason haply more, To bandy word for word and frown for frown. But now I see our lances are but straw...
BG
5027 Views

Why do skydivers have a terminal velocity?

People and things keep doing the same thing until a force makes them change according to Newton. When a skydiver jumps out of a plane they have zero velocity downwards but the force of gravity is pulling the...
PF
Answered by Peter F. Physics tutor
2671 Views

Find the first three non-zero terms of the Taylor series for f(x) = tan(x).

We have that the Taylor series of a function infinitely differentiable at a x = a is given by the expansion: f( x ) = f( a ) + f'( a )( x - a ) + f''( a )( x - a ) 2 /2! + f'''( a )( x - a ) 3 /3! + f (4) ( ...
AS
13043 Views