Search our library of homework questions

Top answers

All subjects

All levels

How would increasing the pressure of a system will have what effect on the equilibrium of this reversible reaction 3H2 + N2 <---> 2NH3?

Firstly, I would ask the student what they understand about Le Chateliers Principle. "If a system is at equilibrium and a change is made to the conditions, then the system responds to counteract the ...

Answered by Fatema D. • Chemistry tutor

9961 Views

How can I take notes on all the books?

Note-taking is important, and can seem like an unsurpassable task. You're going to probably have three books minimum, and that's before we even consider coursework. My best advice is to m...

Answered by Patrick N. • English Literature tutor

3934 Views

Find the opposite length of the triangle with hypotenuse length 5 and adjacent length 4.

I would start off by asking them if they know the Pythagoras theorem. If they don't, I would refresh their memory and explain that its a²+b²=c² where...

Answered by Fatema D. • Maths tutor

2818 Views

How do I conjugate tener, ser, ir and hacer in the preterite tense in Spanish?

Tener, ser and hacer are all irregular verbs in the preterite tense.

Tener is conjugated using the stem tuv- to which different endings are added.

Yo tuve, tú tuv

Answered by Anna B. • Spanish tutor

15522 Views

How can I test to see if a sample a metal contains potassium?

The metals of group 1 (like potassium) can be identified by a flame test: A sample of the metal is placed in a bunsen flame, and the colour of the flame tells the metal.

Potassium placed in the fl...

Answered by Louis D. • Chemistry tutor

2920 Views