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15mg per kilo recommended dose 15x60 = 900mg recommended dose for a 60kg adult There is 755mg per 100g portion of tuna So 900/755 = 1.19 times the amount in 100g of tuna is the recommended dose 1.19 x 100...

This question is basically just asking you why water has a higher boiling point that H₂S. So you need to ask yourself what is the factor which means water has a higher boiling point? If you ...

Concentration of NaOH=Concentration of OH- ions (NaOH is a strong base)

Kw=1x10^-14 (at room temperature/25 degrees)

using Kw=[H+][OH-]

We can figure out the [...

Optical isomerism is a type of stereoisomerism which includes a chiral carbon. This means the pair of molecules have the same structural formula but the four different groups around the carbon atom are...

The position of equilibrium will shift to the right, favouring the forward reaction, to oppose the increase in temperature. Endothermic reactions absorb heat and therefore if the endothermic reaction i...