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Same here, i don't do extention 2 and it shows i'm getting 2 units of ext 1. Oh well, if it does count as 2 units then my UAI should be a bit higher ^_^

Bronsted-Lowry

a) find the molar heat of combustion, when 220ml of water is heated, and it gains 10 degrees in temp, and the weight lost of the burner is 0.8g b) find the molar heat of combustion if 50% of the heat was lost to the enviroment Before you read the solution please note: - There are other ways...

Thanks for correcting me lol. I just saw what i wrote again and i was like "wtf are you on about!":burn:

Assuming that lnx is already y2 f(x) = ln(4x) ∫f(x) dx = d/dx(4x)/4x + c = 4/4x + c = 1/x + c then you can do the rest of the integration yourself. Assuming if lnx is y, not y squared then, f(x) = [ln(4x)] 2 = 2ln4x then you can do the...