Sentence examples for alkanes from inspiring English sources
The word "alkanes" is correct
It is used in chemistry to refer to a class of hydrocarbons that consist only of single bonds between carbon atoms. Example: "Methane and ethane are both examples of alkanes."
Codexis's enzymes and bacteria can turn sugar into molecules called straight-chain alkanes which have between 12 and 16 carbon atoms in them.
And Virent, based in Madison, Wisconsin, is making alkanes out of sugars using a chemical, rather than a biological, process.Gevo, of Englewood, Colorado, which filed for flotation on NASDAQ in August, is planning to make another type of post-ethanol fuel: butanol.
LS9, which is based in South San Francisco (a separate municipality that has a cluster of biotech companies), also uses bacteria to make straight-chain alkanes.
The algal oils are not themselves good fuel; but a refinery in Houston takes care of that, producing shipshape alkanes of the sort the navy likes.High-fibre dietThe success of all this obviously depends on the price of sugar, which is rising.
LS9, based near San Francisco, uses a similar method but is turning out alkanes (for petrol) and fatty acids (for biodiesel).
Technically, it is not ordinary diesel, either: in chemist-speak, it is an isoprenoid rather than a mixture of alkanes and aromatics.
That gives butanol more energy for a given mass and makes it more alkane-like in its properties; nor does it absorb water as readily as ethanol.
That means each of its molecules contains an oxygen atom as well as the carbon and hydrogen found in an alkane.
An unbranched alkane has a more extended shape, thereby increasing the number of intermolecular attractive forces that must be broken in order to go from the liquid state to the gaseous state.
The suffix -e of the parent alkane is changed to -one to show that the compound is a ketone.
Two molecules of H2 add to the triple bond to give an alkane under the usual conditions of catalytic hydrogenation.
