Antacid Tablets

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The effect surface area has, on an antacid tablet’s reaction rate. Experimental Details:
Issy Madamba - 8D Abstract
The aim of the experiment is to find out what effect on surface area has for dissolving antacid tablets. The method used is to have crushed up tablets, for more surface area, and whole tablets, less surface area, to see which of the two subjects dissolve faster. The results for this experiment have shown up to be: the crushed tablets generally dissolve faster, rather than the whole tablets. Introduction
The antacid tablet, both crushed and whole, started off as a solid state. And both after a minimum of 18 seconds dissolved, and became one with the water, making it a liquid.
The physical change was from a whole tablet, or crushed, became liquid.
A physical change is a change in which no new substance is formed; a chemical change results in the formation of one or more new substances. So in this instance it is a chemical reaction, because new substances have come into the equation.
In this circumstance we know a chemical reaction has occurred because a gas was produced, we know this as bubbles were forming inside the beaker.
If the tablet is crushed, and placed in hot water, the dissolving process will form a lot faster. This process will increase the speed by up to two and a half minutes.
This tablet quickly relieves pain for heartburn and indigestion.
The pain from the heartburn or indigestion will go away faster, relieving you from the pain. Aim
To find out the effect surface area has on antacid tablet’s reaction rate. Hypothesis
My prediction of the antacid tablets it will dissolving faster when the tablet is crushed, as there is more surface area. But with the whole tablet, the middle of the tablet will not be able to start dissolving until all around is dissolved first. Materials
3 x 250 mL Beakers
Thermometer
Stopwatch
3 x Antacid Tablets
Mortar & Pestle
How Water
Cold Water
Room Temperature Water

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