6 Random Questions Answered

1/ Question From USA, "How do you calculate density for chemistry?"
Answer: density = mass/volume
(http://ausetute.com.au/density.html)

2/ Question from Canada, "What is the main functional group in aspirin?"
Answer: Aspirin (acetylsalicylic acid) contains a carboxyl and an ester functional group. The carboxyl group is responsible for the acidic properties of aspirin.
(http://ausetute.com.au/aspirin.html)

3/ Question from USA, "What is the magnetic quantum number for iron?"
Answer: Magnetic quantum number, m_l,  has a value from -l to +l
For iron (Z=26), m_l can have values of -2, -1, 0, +1, +2
(http://ausetute.com.au/quantum.html )

4/ Question from Australia, "What is the enthalpy of combustion of ethanol?"
Answer: 1367 kJ/mol
(http://ausetute.com.au/members/alkanolp.html)

5/ Question from Australia, "What is enthalpy of combustion?"
Answer: Enthalpy (or heat) of combustion of a substance is the amount of energy released when 1 mole of the substance combusts (burns) in excess oxygen at constant pressure.
(http://ausetute.com.au/members/heatcomb.html)

6/ Question from Australia, "How do you tell a non reducing sugar?"
Answer: Reducing sugars can be oxidised by mild oxidising agents, non-reducing sugars can not be oxidised by mild oxidising agents.
(http://ausetute.com.au/members/redsugar.html)