Top answers

Chemistry
A Level

What is Mass Spectrometry?

Mass spectrometry is a technique we use to analyse and determine the structure of compound. Generally, it works by injecting your compound into an ionisation chamber, ...

SB
Answered by Sinead B. Chemistry tutor
3425 Views

Define the "standard enthalpy change of atomisation".

This is a standard definition question that is relatively common in A level papers.

 

DG
54322 Views

What is the effect of temperature on K(equilibrium constant)?

For this question we need to consider the equation:

ΔStotal = ΔSsystem - ΔH/T

For and exothermic reaction, -ΔH/T is po...

OP
Answered by Olivia P. Chemistry tutor
7729 Views

What is the relationship between K and ΔS total?

ΔStotal=RlnK

This equation means that if ΔStotal is large and positive then K is large (much greater than 1) and the position of equilibrium is well to the right (due to the equation ΔStotal =...

OP
Answered by Olivia P. Chemistry tutor
15197 Views

What is Le Chatelier's principle?

This is an quilibirum law tthat can be aplied to closed systems at dynamic equilibirum. Closed means that nothing can enter, nor leave the chemical system and dynamic equilibrium means that the rate o...

MA
3723 Views

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