Over a million students use our free study notes to help them with their homework
Mass spectroscopy is a highly sensitive method of analysing samples of elements and determining the isotopes present and their relative amounts. We can break down the method into four major steps: (in ord...
There are two aspects to this question: thermodynamics and kinetics. It is a fundamental law that the entropy of the universe must increase for a process to be feasible. This implies that the Gibbs ...
There are three steps:Calculate [CH3COO–] using the equation for KaCalculate the moles of CH3COO– using the equation concentration = moles/volu...
There are four main areas we need to consider in answering this question. The first is Sodium, Magnesium and Aluminium. These are all metals and so have a metallic bonding structure. As you go across the ...
In NH3, the nitrogen atom is bonded to three hydrogen atoms. By drawing the Lewis structure, the central nitrogen atom shows 3 covalent bonds to hydrogen and one lone pair. Valence Shell Electron Pair Rep...
←
110
111
112
113
114
→
Internet Safety
Payment Security
Cyber
Essentials