For reactants to form bonds, there must be an initial energy input to drive the collision of atoms, ions, and molecules. This collision enables the breaking and formation of bonds. Both synthesis and exchange reactions demonstrate this process.
In order for reactants to form bonds during a chemical reaction, a few conditions must be met. Firstly, an initial investment of energy is required. This energy, often in the form of heat, provides the kinetic energy necessary to fuel the collisions of atoms, ions, and molecules. This collision must occur in an orientation that allows contact between the atoms that will become bonded together in the product. Secondly, the particles of reactant must come into contact with each other before they can react. This could be a direct collision or through another medium that facilitates the interaction.
Once the reactants collide, bonds are broken in the initial molecules, and new bonds are formed to create the product. Energy is required for breaking old bonds and is released when new ones are formed. This process can be seen in both synthesis reactions (two components bond to form a larger molecule) and exchange reactions (bonds are both formed and broken as components of the reactants are rearranged).
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The material that is made mostly of the mineral quartz is granite.
Granite is a common rock material that consists mostly of the mineral quartz along with other minerals such as feldspar and mica.
Quartz is a hard, crystalline mineral composed of silicon and oxygen atoms and is one of the most abundant minerals in the Earth's crust.
It is known for its durability, resistance to weathering, and characteristic crystal structure. In granite, quartz typically makes up a significant portion of the rock's composition, giving it its distinct appearance and properties.
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A. they have a small surface area to volume
ratio to allow sufficient transport of molecules into and out of the cell
B. they have a large surface area to volume
ratio to allow sufficient transport of molecules into and out of the cell
Answer: B
Explanation:
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