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B? im not too sure about this..

GG and Chuck (hilarious!)

what strong acid and weak base form zinc sulfate and copper sulfate? and also, which strong base and weak acid form magnesium sulfate? i cant seem to find any =[ thx!

oo.... thx! it helped! =]

please someone help me... i have an exam tomorrow!!! i know that im sounding really desperate

I need help, please someone.... a A 2.3 × 10–4 mol/L solution of sulfuric acid is completely dissociated. Calculate its pH. b The pH of an 0.020 mol/L solution of sulfuric acid was 1.58. What can you deduce about the extent of ionisation of the HSO4 – ion in this solution? answers: a) 3.34...

Hydroxide ions are formed when a hydrogen ion is removed from water. Can a Hydrogen ion be added to an Oxygen atom to from the hydroxide ion? Or it just doesnt happen?

thx alot!! =D

Do enzymes denature when they aren't in their optimum pH? Say pepsin, it is most active at a very low pH. Does it mean that it would denature if it was placed in a basic or neutral condition?

i get it now!!! thx alot, Pwnage101. my teacher insisted on us researching to find out but i couldnt find the reason why that happened. thx again! =]

why is it when bromine water is added to a testube filled with cyclohexane, the bromine water initially sets at the bottom but after a while, the bromine water settles on top of the cyclohexane?

thx! unfortunately, my assignment was due on friday any how, thx alot!

Need help on this question: Describe the circumstances where would it be necessary to detect radiation. Thx!

does anyone know what the chemical properties of cobalt-60 (radiotherapy) and caesium-137 (thickness gauges in industry) are???