Recent content by wmhcan

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    Rates of Reaction: Questions Answered

    The T should equals to 273k
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    Experiment: Heat of Reaction help

    yes, it is right, you just have to canceled out the OH-(aq) on both side of the equation, and for the negative value, the value you got is for the final solution, which means if you reverse your equation, it is positive, if you want to write it like "NaOH(s) ----- Na+(aq) + OH-(aq)", then it is...
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    Centrifugal and centripetal force question: race-car and banked curve question

    you better read the contents before you go to this question. firstly, you have to draw a FBD. a)Fn=Fg/cos15 Fn=14711N Fc=sin15 Fc=14711*sin15 Fc=3807N r=Fc/mv^2 r=6.72*10^4m b) a=Fc/m a=2.626m/s^2