Over a million students use our free study notes to help them with their homework
The standard enthalpy of formation of a substance is the enthalpy change when one mole of that substance is formed from the most stable allotropes of its elements in their standard states...
"Stereo-" refers to 3D space, like with stereo sound involving sound from all directions. The C=C double bond has no free rotation, as this would require breaking the pi bond, which is energeti...
A metallic bond is the electrostatic force of attraction between the positive metals ions and the delocalised electrons. The three main factors that affect the strength of a metallic bond are: the number ...
Warm and distill with acidified pottasium dichromate. Then test with tollens reagent. The acidified pottasium dichromate will have oxidised the primary alcohol to an aldehyde, which will form a silver mir...
In Chemistry we need to know the structures of the molecules we make and work with. We use spectroscopy to work out the shapes of these molecules. Mass spectrometry is one type of spectroscopy and weighs ...
←
128
129
130
131
132
→
Internet Safety
Payment Security
Cyber
Essentials
