Top answers

All subjects
GCSE

What's the definition of osmosis?

Osmosis is the net movement of water from an area of high water potential to an area of lower water potential through a partially permeable membrane.An area of high water potential means there is less sol...

EJ
Answered by Emily J. Biology tutor
3469 Views

Describe the different forces upon a falling object with reference to Newton's first law.

A falling object will reach terminal velocity when the force draging it down (ie its weight due to gravity) is equal to the air resistance opposing the motion upwards. When the two forces are equal the ob...

AL
Answered by Adam L. Physics tutor
2710 Views

Why do skeletal formulae not show the hydrogens bonded to carbons but do on other elements?

Because carbon atoms have 4 electrons in their outer shell so always form 4 covalent bonds in a molecule, so the number of hydrogen atoms bonded can be inferred by subtracting however many bonds the carbo...

MA
Answered by Megan A. Chemistry tutor
2588 Views

Why do I have to study maths?

Maths is very important in real life. You use it day to day from basic addition and subtraction to working out percentage discounts in shops. Some of the more complex maths like algebra is used in fields ...

JP
Answered by Jack P. Maths tutor
3047 Views

Expand and simplify (x-4)(2x+3y)^2

(x-4) x (2x +3y)2
(x-4) x (4x2+12xy +9y2)
4x3+12x2y + 9xy2 -16x2-48xy - 36y2 ...

JT
Answered by James T. Maths tutor
3083 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning