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Then why you so worried about this stuff now? You'll learn it next year

Add soap to oil and water?

And then there are some people who don't get 90 raw despite being a relatively easy exam, because of exam pressure/stress/nervousness... People like me =(

No worries :D Most of your assessments will come from trial papers, so constantly do them even if you haven't finished the course

What's wrong with it? The answer is correct...

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Not even in syllabus?

No snaking..

Concentration of sodium carbonate - 0.0459 Concentration of HCl - 0.0930

long responses + multiple choice is going to destroy me

Why is complete combustion favoured over incomplete? 3 marks

23 people viewing this thread and only like 5 people comment

I'm not sure, but I remember my teacher explaining it to me this way and I just forgot

You know how the half-cells are equilibrium reactions? <img src="http://latex.codecogs.com/gif.latex?Cu^{2&plus;}&plus;2e^{-}\rightleftharpoons&space;Cu" title="Cu^{2+}+2e^{-}\rightleftharpoons Cu" />

So why does blue colour fade in a galvanic cell with copper as cathode?

I dont know what your on about - delta h = negative when exothermic reaction. delta h = positive when endothermic reaction.

Two questions - Is copper blue or copper ions? When you have a galvanic cell with copper as the cathode, why does blue colour fade? (Explain using LCP)

You don't do electronegative, you do alphabetical.

This is an ugly question. The troposphere is within the sea level to 10km range. Here temperatures are at its lowest in comparison to the other spheres and this is where nitrogen is the predominant gas, making up 78% of the atmosphere, followed by oxygen (20%) and then argon. The troposphere...

Lets do some long response questions! People ask