Search our library of GCSE questions

Top answers

All subjects

GCSE

Explain the physical properties of graphite in terms of its structure and bonding

Graphite is a giant covalent molecule. This means it has many atoms joined together by covalent bonds. Graphite consists of layers of carbon atoms joined together by

Answered by Eliza D. • Chemistry tutor

16253 Views

Edexcel November 2016 1H Maths. Q27

The sphere has radius 6 cm. The solid cylinder has a base radius of 3cm and a height of h cm. The total surface area of the cylinder is twice the total surface area of the sphere. Work out the ratio of th...

Answered by Josh V. • Maths tutor

12833 Views

What is the difference between the verbs 'ser' and 'estar'?

The verbs ser and estar both translate as 'to be'. Its important to learn the differences between them. Ser is used to talk about permanent attributes. A...

Answered by Louisa H. • Spanish tutor

1986 Views

Solve x^2 + 10x - 3 = 0

completing the square (x+5)² -25 -3 =0 (x+5)² -28 = 0 (x+5)² = 28 x= ±2√7 -5

Answered by Isabelle H. • Maths tutor

3305 Views

How are capillaries adapted for their function within the body?

Capillaries have walls only one endothelial cell thick, meaning their walls are very thin. This makes them well adapted for gas exchange, as substances only have to diffuse over a short distance. Addition...

Answered by Leena C. • Biology tutor

60938 Views