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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 ...

FD
Answered by Fatema D. Chemistry tutor
9527 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...

PN
3679 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...

FD
Answered by Fatema D. Maths tutor
2659 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

AB
Answered by Anna B. Spanish tutor
14566 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...

LD
Answered by Louis D. Chemistry tutor
2674 Views

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