Chem Help

This page lists questions and answers that were posted by visitors named Chem Help.

Questions

The following questions were asked by visitors named Chem Help.

i tried to do like dis plz chk is it rite or wrong. [2(4(327) + 495 ]- [ 2(4(327) + 523 ] = -28 Bond enthalpy is the energy required to break a mole of a certain type of bond. O=O = 495 kj/mol S-F = 327 kj/mol S=O = 523 kj/mol Use average bond enthalpies...
16 years ago
Assuming that no azetropes are formed, would it be easier to separate n-hexane and benzene or n-hexane and toluene by distillation? Explain? Thanks!!!
11 years ago

Answers

The following answers were posted by visitors named Chem Help.

i got it .. no worries .. answer was -551 thnks anywyz .. DR BOB FOR this question .. i asked so many times.. so really SORRRY DR BOB >. to bother u lot..
16 years ago