Top answers

All subjects
All levels

Calculate the atom economy for making hydrogen when zinc is reacted with HCL?

So, there are two parts to this question. 

Firstly, you need to decode the words in the question and transform this into an equation. 

From chemical knowledge, you know: aci...

PD
Answered by Pooja D. Chemistry tutor
17433 Views

What is the difference between mitosis and meiosis?

I always remember mitosis as the process that leads to "genetically identical clones" and meiosis being the process that does not lead to clones but is the process that produces a cell with h...

PD
Answered by Pooja D. Biology tutor
4572 Views

How do you write your statement to appeal to the requirements of different universities?

It is difficult to make your personal statement appeal to everyone. However, there can be different threads throughout your statement that subtly tick the box of multiple universities at once. 

...
PD
3880 Views

Find dy/dx when y = x^2(cos(x)).

y = x2(cos(x)) therefore we will need to use the product rule, 

dy/dx = u dv/dx + v du/dx

where u = x2 and v = cos(x)

du/dx = 2x and dv/d...

JS
Answered by Joseff S. Maths tutor
32276 Views

Why does reactivity increase as you go down Group 1 metals?

An atom is made in such a way that the nucleus with the positive charges (protons) is in the centre and the negative charge (electrons) are arranged in shells around it.

All group 1 metal...

MP
154978 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