Butane only has 2 structural isomers. - The first structural isomer of butane is its normal structure. However, the second structural isomer of butane is known as iso-butane or 2-methylpropane.

Feb 5, 2017 · Now you know that the Periodic Table reflects electronic structure. The Group 1 elements, i.e. the first vertical COLUMN in the Periodic Table, have the one valence electron, …

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Jul 31, 2016 · Structural isomers are compounds of the same chemical formula but different connectivities. Organic chemistry provides rich opportunity for structural isomerism. Even for a …

Giant, spinning atoms Neutrons stars form when supergiant stars collapse in on themselves at the end of their lives. Though not as dense as black holes, neutrons stars are very small and very …

Here's how I would do it. > The problem is in getting the numbers to line up. I use "color (white) (X)" with as many Xs and other characters as needed to get the correct alignment. For the …

DeltaH=+2034 kJ mol^-1 or DeltaH=+726 kJ mol^-1 If the reaction in question is exactly as you have written the answer should be +2034 kj per mol. But when hydrogenating ethene …

Nov 1, 2015 · Suppose that [a] x>0 [b] 1/x +x=2 are two condition that hold and suppose that this implies not x^2+1/x^2=1/x+x. Then either x^2+1/x^2<1/x+x or x^2+1/x^2>1/x+x has to hold. …

I am not sure what you mean by a medical explanation. Are you referring to the way that they affect the body or body cells are how they activate the immune system or how the body …

A representative republic. The TYPE of government structure was the same as currently followed. The differences are also the "weaknesses" attempted to be overcome by various versions and …