They migrate only with one another.
B.
They fight only with one another.
C.
They share food only with one another.
D.
They reproduce only with one another.
All substances are matter but all matters are not substance. Matter is generally a loose term used in respect to a substance. Matter and substance are sometimes used for the same context, this is certainly not correct. Various examples have already proved that a matter will not always be a substance depending on its physical nature, but a substance is always a matter.
(cc/ to Taskmasters , I just switched it up a little bit.)
It provides energy for the reaction.
It is released by the reaction.
It catalyzes the reaction.
PLEASE EXPLAIN YOUR ANSWER
Answer:
Explanation:
Alkanes are relative stable molecules: saturated chains of carbon and hydrogen atoms, where each carbon atom is hydridized sp³ and is bonded to one or two carbon atoms and 2 or 3 hydrogen atoms.
The C-H bonds are slightly polar (carbon is more electronegative than oxygen).
On the other hand, the diatomic halogen molecule (F₂, Cl₂, Br₂, or I₂) is a non-polar molecule.
The mechanism of reaction between the alkane and the halogen is via free radicals: the halogen molecule must be splitted into two radicals (two atoms each with a free electron). This implies the rupture of the diatomic halogen, and this requires an important amount of energy. The role of the UV ligth is to provide the energy to split the halogen molecule and, in this way, start the reaction.
Then, the free halogen radical may react with the alkane molecule breaking a C - H bond and substituting the leaving hydrogen atom, forming a C - X bond (X represents the halogen atom).
As a demonstration of this role, you may find in the specialized textbooks this typical reaction:
The energy shown in the reactant side may be supplied as UV light or heat. So, the role of UV light is to provide energy to start the reaction.
Answer:
It provides energy for the reaction.
Explanation: gradpoint