The reaction: 2A → C is first order. If the initial concentration of A is 1.0M and the rate constant is 7.7 x 10-3s-1 , What is the final concentration of A after 3.0 minutes?
Tungsten hexafluoride is one of the heaviest gases known, with a molar mass of 297.9 g/mol. At a
given temperature, how long will it take WF
6
to cover the distance H
2
can travel in 25 seconds
Calculate the wavelength of the light required to eject a photoelectron from caesium metal with a kinetic energy of 2.0 x 10 ^-19 J (v° for caesium is 4.55 x 10^14 Hz.
for each of the following complexes Hexaaquiron(iii)chloride and triacetylacetonatochromium(iii)
1. write the d electronic configuration
2. give the number and types of isomers, if any indicate whether the stereo-isomers are chiral