Inorganic Chemistry Answers

A constant current was passed through a solution of AuCl4 ions between gold electrolyte .After a period of 10 minutes,the cathode increased in weight by 1.314g.how much charge was passed and what is the current?[Au=196.97]

Arrange the following elements in order of increasing first ionization energies: Be,K,Ca,Ra and Na

Write the electronic configuration of zinc

What is hydrogen bonding

What is effective nuclear charge? What is the role in explaining the size of atoms?

Explain the variation in ionization energy across the elements of period 2 in the periodic table.

Calculate the binding energy per nucleon in MeV for the iron isotope with an atomic
number of 26 and a mass number of 56,
56Fe26 which has an atomic mass of 55.9349 amu.

The dichromate ion oxidizes iron (II) to iron (III) in acid solution. Balance the equation:
Cr2O
2- + H3O
+ + Fe
2+ → Cr3+ + Fe
3+ + H2O, by the half-reaction method

ΔHf/ KJ mol-1:
Mg(s) and O2(g) 0
MgO(s) - 601.70

Cp, m / KJ mol-1
Mg - 24.89
O2 - 29.36
MgO - 37.15

Define the std enthalpy of combustion and calculate this parameter for the combustion of magnesium at 25 degrees celsius.

Provide a balanced chemical equation, the equation used to calculate ΔHc and finally the complete thermochemical equation for the reaction.

What is the name and formula of a coordination compound comprising of two types of complex ions: one, a complex ion of Cr (III) with ethylenediamine, having a coordination number of 6; the other a complex of Ni(II) with CN-, having a coordination number of 4.