"Delta H is the energy released per 1 mol." Is that 1 mol of the reactant question mark and of WHICH reactant since there might be 2 with 2 different molar co-efficients.

What could be the sources of error in a calorimetry experiment? Thanks.

What's the relationship between oxidation number of ability as an oxidant? Do we need to know this?

Is there anything more to the equilibrium law than Le Chatelier's principle?

A student used a simple calorimeter to determine the heat of neutralisation of a strong acide with a strong base according to the reation: H30+(aq) + OH-(aq) = 2H2O(L) Calibration …

Apart from the 'external supply of power' part, is the difference between galvanic and electrolytic cells only that Cathode is negative in electrolytic cells and the cathode is pos …

Is is correct to say the nuclear fission is unsustainable?

I am currently making tutorials on VCE Chemistry and posting them on YouTube. A little bit about me: Graduated VCE in 2004... obtained an ENTER in the high 90s (95+). I thought the …

Hey, I've been wondering (since I haven't checked my mid year chemistry result yet) that if I get Bs in all of my chemistry sacs, yet get a a pretty bad score (like D) in my mid y …

does the E*nought value given in the electrochemical series - relate to the forward or backward reaction?

I see why C is correct. Why is A NOT correct? Which is most likely to be correct about fuel cells? A.An external power supply is used to recharge the cell. C. Chemical engergy is …

What is the basicity constant and how is it calculated?

I recently heard that these were misconceptions common in VCE chemistry: "...plus and minus signs assigned to the electrodes represent net electronic charges.." and "notions that …

And is it worth it?

How did the examiners reach all those conclusions? For example, How Cd2+ is more reactive than Co2+. The electrodes don't indicate anything! They just show a negative sign which is …