Top answers

What does Avogadro's number mean?

Avogadro's number is simply used as a way of telling us how much of a substance we have. The number is 6.022 x 10 23 , and if we have that number of particles, we can make it easier by saying we have one mol...
KF
35084 Views

When would I use the subjunctive?

The subjunctive is usually used to express doubt ("je ne suis pas sure que'), a possibility ('il est possible que'), or following certain phrases, such as 'bienque', 'pourvu que' and 'quoique'. It may a...
SF
Answered by Sophie F. • French tutor
2675 Views

What is Eutrophication? What are the stages of Eutrophication?

Eutrophication is the loss of oxygen in a body of water (e.g. pond or lake). This is usually due to algal bloom caused by artificial fertilisers and other chemicals being washed into the water by rain.The 5 ...
CG
Answered by Charlotte G. • Biology tutor
43943 Views

How to find the coordinates of the turning points of a curve on a graph

The turning point of a curve occurs when the gradient of the line = 0The differential equation (dy/dx) equals the gradient of a line. Therefore in this case the differential equation will equal 0.dy/dx = 0Le...
CG
Answered by Charlotte G. • Maths tutor
98740 Views

What is the difference between mRNA and tRNA?

RNA stands for riboncleic acid. mRNA is messenger RNA. This type of RNA is a linear polymer involed in a part of protein symthesis called transcription. It allows the DNA code to be taken outside the nucleus...
SL
Answered by Sophia L. • Biology tutor
16078 Views