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Hey guys im stuck on this question can youse help me out ? Thanks in advance

Okay just to clarify, if i changed the pressure the equilibrium will shift to the least amount of moles right. That would increase the concentration of one side and decrease the other side of the reaction? Also would concentration change when the temp is changed aswell? Thank you

What is it? Do we need to know it, I’ve seen a question about it on 2016 exam about it

Can someone explain in terms on La Chat's principle the solubility of CO2? Thanks heaps

Is there a way to figure out which solution makes an anion precipitate? Surely there's an easier way than to just memorise a flowchart?

This is great, now its stuck in my head now haha!

Is there a way to remember what colours cations produce from the flame test? Also is there a way for which anion will precipitate or should i just go off the solubility rules to figured it out? :spin:

Cheers makes sense now, had to re go over my oxidation reduction notes now i understand.

Some clarification, a coordinate bond is where an atom shares its lone pair of electrons to form a bonding pair with another atom right? Okay heres my question why does NH4 have a + charge? NH3 + H+ -> NH4+ isn't there a left over electron with NH4 making the net charge negative?

Going by the dot point we just need to identify acidic oxides not basic/amphoteric/neutral oxides? if so... what are some examples we need to know? Thanks :smile: