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Bethany
why does magnesium oxide have a higher melting temperature than magnesium chloride?
they are both almost 100% covalent
1 AntwortChemistryvor 1 Jahrzehntif i have an endothermic reaction and then add heat, what will happen to the position of the equilibrium ?
i also need to know the rate of production and the effects of pressure - thanks :)
2 AntwortenChemistryvor 1 JahrzehntA level biology past papers aqa?
i am wanting to get hold of the january 2011 unit 2 biology exam and have searched everywhere online but cannot find it, can anybody please send me a link to this paper and the mark scheme ?
2 AntwortenBiologyvor 1 Jahrzehntwhat were jessie j's top 20 dudes with attitudes?
I missed jessie j's dudes with attitudes on viva and i wanted to get her favourite 20 male artists. Does anyone know what her playlist was?
1 AntwortReality Televisionvor 1 Jahrzehntwhat is the difference between bond enthalpy and mean/average bond enthalpy?
1 AntwortChemistryvor 1 JahrzehntWhich compound contains the most polarised ionic bonds and why ?
NaF or MgI2
1 AntwortChemistryvor 1 Jahrzehnt