Top answers

All subjects
A Level

What is the difference between an opinion and an argument, and which one helps us better understand the past?

An opinion is usually defined as a belief or view held by an individual. It can be formed by or based upon virtually anything, and an opinion is not necessarily based upon what is true, accurate or inform...

JH
Answered by Joe H. History tutor
71165 Views

Describe the structure of a protein.

Proteins are large biomolecules which play a key role in many of the body's proccesses. Their structure can be broken down into 4 main domains. The primary structure consists of a unique sequence o...

TD
2703 Views

Express the polynomial x^3+x^2-14x-24 as a product of three linear factors.

Firstly, use the factor theorem to determine one factor. Substitute factors of 24 into the equation, beginning at plus or minus 1 and then increasing. The first factor found will be -2, therefore (x+2) is...

SW
Answered by Scarlet W. Maths tutor
16653 Views

I have trouble with French pronounciation. What can I do to improve ?

This is a common issue when learning a language, and a common mistake is to think that one should just keep training the way they pronounce French words, when in fact training the ear as well is key. If y...

LS
Answered by Léa S. French tutor
2044 Views

Flask Q (volume = 1.00 x 103 cm3 ) is filled with ammonia (NH3) at 102 kPa and 300 K. Calculate the mass of ammonia in flask Q. (Gas constant R = 8.31 J K−1 mol−1 )

n = PV/RT 102 000 ×(1.00 × 10−3) / 8.31 × 300 = 𝑛 n= (4.091456077x10-2) Mass = n x 17 = 0.696g (3 sig figs only)

AR
Answered by Ashley R. Chemistry tutor
6912 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