Recent content by help4drdu

3. CH4 ,NH3 CH4 is non polar unable to react with the polar NH3. 4. CH4 CH4 definity no polarity here and no functional groups so I can not see the H bonds anywhere and they are same molecule thus I think there is no reaction 8. CH3OCH3 ,CH3OCH3 same as 4 1. NH3 ,NH3 Very polar molecule thus H...

Great thanks for the info Borek, you have been a great help.

Decomposition, so if we heat mercury we are removing the oxide [ions or molecules? sorry not v. good chemistry] leaving us w/ pure mercury? [ sort of of a random guess] I am sort of getting lost. Thanks anyways

I am not sure what is heat to constant mass analysis because i have not learned it yet and though question specifically says 'using gravimetric anaylsis' so I am confused. It expands and evaporates due a low boiling point, right? Thanks for all the replies at the moment.

1. List the steps needed if a scientist is to use gravimetric analysis to find the percentage of mercury in a sample of mercury oxide. 2. Dont really know how to do it but i know you must use fractional distillation, right? and then everything is a mystery. Help will be greatly appreciated.

thanks for this too

Thanks! That makes it a lot more clearer now. Also thanks for your fast responses. =] Hope you have a great day =]

thanks for your quick response, but could you please explain a) i seem to be having trouble i understanding the equation you have written.

1. Given the points A(1,4) and B(-3,2), find the equation of each locus of the pont P(x,y), a) angle APB is a right angle b) P is equidistant from A and the x-axu