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Initial mass of burner - Final mass of burner 133.20 - 132.05 = 1.15 g

After you find delta H you divide it by the number of moles delta H = -mCdeltaT = - 0.300 x 4.18 x 10^3 x 20.5 = - 25707 J = - 25.707 kJ n = mass / molar mass = 1.15 / 46.068 = 0.025 delta H / n = - 25.707 / 0.025 = -1028.28 kJ mol

Not sure what your asking, but the cohorts HSC exam results and your rank will determine your internal mark. The final HSC mark is the average of your aligned assessment and your aligned hsc exam mark. You do not receive your raw exam marks. Capping exists to stop situations like eg. a...

The decision really depends on what your interested in doing in uni. Like micky said, if you like science/engineering or commerce too keep 2u. Otherwise its probably safe to drop to general if you find 2u difficult. As long as you do good at general it wont harm your UAI

I've had a close look at the UTS handbook and tried to compare B/Eng and the double degree with science but I'm still not sure which ones a better choice for me. I'm interested mainly in electrical eng. B/Eng B/Science seems to have almost the same subjects as B/Eng minus some electives and a...