Top answers


what depends if the universe is expanding or not

H, (see Hubble's Law)
HZ
Answered by Huairen Z. Physics tutor
2909 Views

why increasing the temperature will increase the rate of reaction

because increasing the temperature will increase the kinetic energy of molecules, hence there is more collisions between the molecules and more molecules having the IE above the activation energy
HZ
Answered by Huairen Z. Chemistry tutor
2952 Views

Evaluate a fixed exchange rate system

On one hand, this system has many advantages. It reduces uncertainty, ensures sensible government policies on inglation, reduces speculation and flunctuations... A reduced exchange rate can increase employme...
ZG
Answered by Zoe G. Economics tutor
3887 Views

What are the characteristics of a monopolistic market?

A monopololistic market exists when there exists only one supplier of a good or service, but there are many consumers. Some key characteristics of a monopolistic market are price maker, high barriers to entr...
ZX
Answered by Zhen X. Economics tutor
7151 Views

Simplify 2^11 x 8

This would be on a non-calculator paper and so it wants an answer in the form 2^n as without a calculator it is too difficult to work out. You can only do this multiplication if you change the 8 into 2^3 as ...
SL
Answered by Samuel L. Maths tutor
5016 Views