Top answers

All subjects
A Level

Using a demand and supply diagram, explain how an increase in taxes on domestic fuel will affect the domestic fuel market

(draw demand and supply diagram showing a shift to the left of the supply curve and a new equilibrium)
explanation:indirect tax increases the cost to the producer this means they can no longer sell t...

SR
Answered by Sarah R. Economics tutor
6395 Views

Explain the trend in ionisation energies for the group one metals?

The first ionisation energy of an element is the minimum energy required to remove a single electron from one mole of an element in its gaseous state. As you go down the group the first electron becomes e...

DC
Answered by Dan C. Chemistry tutor
2222 Views

What is meant by horizontal and vertical integration and how can they profit a firm?

Firms may grow through integration - vertically or horizontally. Both strategies ultimately increase a firm's competitive position. Vertical integration refers to the supply chain and how...

MP
4329 Views

If y = ln (x+1) sin x , find dy/dx

u = ln (x+1) v = sin x
du/dx = 1/(x+1) dv/dx = cos x
Therefore, by the product rule,
dy/dx = [sin x / x+1] + [ln (x+1) cos x]

EC
Answered by Edward C. Maths tutor
6816 Views

X, a gas, has a mass of 0.270g and is present in a gas syringe with a volume of 105.0cm^3 at 97C and 100kPa. Calculate the Mr of X. (5 marks)

This is a classic A-level question which uses the formula:PV=nRT First, this equation (which needs to be learnt, it is not given in the exam papers) must be rearranged to:n=PV/RTWhat all these letters in ...

JB
Answered by Jack B. Chemistry tutor
3084 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