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Faster cooling rates generally result in smaller particle sizes. Rapid cooling prevents particles from growing larger by minimizing the time available for crystal growth and agglomeration. Slower cooling rates can lead to larger particle sizes due to increased time for crystal growth and aggregation to occur.
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What can determine the size of grains in igneous rocks?
Cooling rate of molten rock
When As the rate of cooling of igneous rocks increases the size of the crystal that form?
As the rate of cooling of igneous rocks increases, the size of the crystals that form tends to decrease. This is because rapid cooling does not allow sufficient time for large crystals to grow, resulting in smaller, often finer-grained crystals. Conversely, slower cooling allows for more extended crystal growth, leading to larger crystals. Therefore, the cooling rate directly influences crystal size in igneous rocks.
When the rate of cooling of igneous rocks increases the size of the crystals that form?
When the rate of cooling of igneous rocks increases, the size of the crystals that form typically decreases. Rapid cooling, such as when lava erupts into water or air, allows little time for crystals to grow, resulting in a fine-grained or glassy texture. In contrast, slower cooling allows for larger crystals to develop as minerals have more time to arrange themselves into a crystalline structure. Thus, the relationship between cooling rate and crystal size is inversely proportional.
What determines the mineral grain size in an igneous rock?
The rate of cooling of the magma primarily determines the mineral grain size in an igneous rock. Rapid cooling results in fine-grained rocks, while slow cooling allows for the formation of coarse-grained rocks. Additionally, the composition of the magma and the presence of nucleation sites can also influence the final grain size.
What does not effect the rate of diffusion?
The rate of diffusion is not affected by the size of the diffusing particles; while smaller particles typically diffuse faster, larger particles can still diffuse at a rate influenced more by their concentration gradient and the medium they are in. Additionally, the presence of a barrier that allows for diffusion does not impact the inherent rate of diffusion itself, though it may affect the overall process. Factors like the type of substance, temperature, and concentration gradient are the primary influences on diffusion rates.
How does particles size effect the rate of dissovling?
Dissolution is faster with particles having small sizes.
Do particles change size due to heat or cooling?
no
What are three things crystal size dependent on?
Primarily the cooling rate of the mineral compound.The faster the rate cooling smaller the crystal size of the mineral.Consequently, large crystal specimins are derived from igneous bodies with a very slow rate of cooling.
As the rate of cooling of igneous rocks increases the size of the crystals that form .?
The size of crystals decreases as the cooling increases. This is called an inverse relationship.
What does not affect the rate at which a solid solute dissolves?
Increasing the pressure over a solid solute has virtually no effect on the rate that it dissolves. Stirring and increasing the temperature are the best methods for increasing the rate at which a solid solute dissolves.
What is a factor that controls grain size in igneos rocks?
Crystal size in igneous rocks is controlled by the rate of cooling whereby the slower the rate, the larger the size of crystal.
. As the rate of cooling of igneous rocks increases the size of the crystals that form?
The size of crystals decreases as the cooling increases. This is called an inverse relationship.
What can determine the size of grains in igneous rocks?
Cooling rate of molten rock
Which effect on metobolic rate can be controlled?
Muscle Size
True or False chemical reaction occurs at the same rate no matter what size of the reactant particles?
False. The rate of a chemical reaction can be influenced by the size of the reactant particles. Smaller particles have a larger surface area, allowing for more frequent collisions between particles and therefore potentially increasing the rate of reaction.
What determines the size of grains in igneous rocks?
The cooling rate of molten rock
What effect does heating and cooling have on metallic structures (more specifically grain size)?
The dimensions grains in metals are modified by heating or cooling.
