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Chemistry: Post your doubts here!
Since $$H_2SO_4$$ is a strong acid it will dissociate fully into $$H^+$$ ions, $$HSO_4^-$$ is the conjugate base and further dissociates into $$SO_4^{2-}$$ ions and protons therefore the solution wont contain an equal number of $$H^+$$ and $$HSO_4^-$$ ions so 2 is incorrect, hence since 2 is... -
Chemistry: Post your doubts here!
This is a biology question, the answer is disulfide as it is covalent and breaks last. -
Chemistry: Post your doubts here!
Answer is 1,2 and 3 but how and what steps exactly? -
Chemistry: Post your doubts here!
As the question states they are in ascending atomic number, however they are not all in the same period. The greatest ionisation energy for any period belongs to the noble gases, hence B is a noble gas therefore as A is before B A is a halogen. -
Chemistry: Post your doubts here!
Can someone please tell why the answer is 1 and 2 only -
Chemistry: Post your doubts here!
Can anyone help solve this, I used Mr=MRT/PV but I couldn't get a proper value. When an evacuated glass tube of volume 200cm^3 is filled with a gas at 300k and 101kPa the mass of the tube increases by 1.06g. What is the identity of the gas? A) Argon B) Krypton C) Neon D) Xenon -
A Level Further Mathematics PDF
Hey, can anyone hook me up with the pdf version of CIE Further Mathematics As & A level by Lee Mckevley & Martin Crozier. Ive searched up and down and for the love of me cant find it, thnx.