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When the marble chips are grounded up the molecules that are exposed to the liquid dissolve faster than they would in lumps because the

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The surface area of the powdered marble is larger than a whole marble. Because we increased the surface area by grounding the marble into smaller particles, the collusion rate from the particles have more space and do not collide constantly. The Carbon dioxide then can access the entire marble and can dissolve faster because the surface area is larger.

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Each grain of marble chips has lots of molecules exposed to the acid so it will dissolve faster then the marble chips because the molecules in the centre of the chip have to wait for the outside molecules to dissolve first.

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Each little grain in the powder has lots of molecules exposed to the acid so it can react faster than the chip because the molecules in the centre of the chip have to waiter for the outer molecules to react first

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the rate of reaction increased for the powder because it has more molecules of calcium exposed to the hydrochloric acid meaning there will be more collisions between the calcium and the acid which allows the calcium to dissolve quicker

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A mass of marble chips ground into a powder will speed up the reaction rate because it has a larger surface area. Having a larger surface area effects the rate of reaction because it means more calcium carbonate molecules are exposed to the acid meaning there will be more collisions with the acid. If the calcium carbonate had a smaller surface area the reaction would take longer because the outer molecule would have to dissolve before the ones in the center.

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The rate of reaction increased because the surface area of the marble chips was increased. This means more molecules are exposed and more collisions are happening at once. . The collisions will cause the marble chip powder to dissolve faster.

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The marble powder has lots of molecules exposed to the acid so it can dissolve faster than the chip because the molecules in the center of the chip have to wait for the outer molecules to dissolve before them.

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Increasing the surface area of a reactant, eg marble, creates a bigger reaction when mixed with the second

reactant, hydrochloric acid. The surface area is increased by powdering the marble. This exposes more

molecules, which provides the hydrochloric acid with more to collide with. Having a higher concentrate of

hydrochloric also effects the reaction. A higher concentration means more molecules for reaction, which

means a bigger reaction.

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By grounding the marble chips down into powder this meant it surface area became larger this caused a faster reaction than the existing experiment with just chips because this

means more atoms are exposed to the acid therefore the chance of a collision between two

molecules is very strong. Where's in the reaction with chips the surface area is smaller and the acid molecules have to dissolve the outer molecules of the chips before it gets to the centre.

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The marble chips reacted really slow when the were whole but then they got crushed into powder

and tested again and went faster because since they are a powder they reacted with the acid because

they have a wider surface area then they chips when they are whole. Because they were whole there wasn't

much space for it to react to the acid but as a powder they got more collisions with he acid.

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If you increase surface area, there is a greater chance of particles colliding with each other, thus increasing the rate of reaction.

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The more exposed the molecules are higher chance of collisions and the quicker the reactions will occur with them.

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Increasing the surface area by grounding the marble chips into powder increases the speed of the reaction because each grain of the powder exposes lots more molecules and which collide with the hydrochloric acid so it can dissolve faster than the chips because the molecules in the center of the chips have to wait for the outer molecules to dissolve before them.

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the marble chips that were ground into a powder have a bigger surface area than the marble chips. increasing the speed of the reaction with the particles. because the inside of the marble chips have to wait for the outer layer to react with the acid and the grains of marble have lots of molecules exposed to the acid so it will react faster. ( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)( ͡° ͜ʖ ͡°)

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Increasing the surface area (by grinding the marble chips into powder) quickens the rate of reaction, because more marble particles are exposed to the acid. This means more collisions occur, which allows for a faster reaction to occur.

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When they ground the chips into powder they made the surface area bigger and exposed more molecules,which made the reaction faster because more molecules were colliding and causing an reaction.

# data[].attributes.subject
When they ground the chips into powder they made the surface area bigger and exposed more molecules,which made the reaction faster because more molecules were colliding and causing an reaction.