Marble And Hydrochloric Acid

Hydrochloric acid to react with the marble chips independent variable marble chips to react with the acid dependent variable stopwatch to accurately time the experiment spatula to handle the marble chips measuring cylinder to precisely measure out different concentrations of hydryochloric acid electric balance to measure the mass g of the marble chips bung. Marble chips and hydrochloric acid planning aim to find if changing the concentration of an acid will increase or decrease the rate of the reaction when marble is dissolved in hydrochloric acid. Powdered marble reacts with hydrochloric acid to release bubbles of carbon dioxide gas.

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This experiment is to show how much carbon dioxide is produced during the reaction between an acid hydrochloric acid and marble.

Marble and hydrochloric acid.

Hydrochloric acid 20ml 0 5m 1m 2m marble chips 2g per test large measuring cylinder plastic bowl 3 4 full of water rubber tubing glass conical flask stopwatch method. The reaction takes place spontaneously. I am investigating how the rate of reaction between marble chips and hydrochloric acid is altered when the concentration is changed. With the equation caco3 2hcl cacl2 h2o co2 hypotheses a reaction occurs when particles collide.

Marble is crystalized caco3. This process is based on random particle movement. The combined reactants have a higher chemical potential than the combined products i e. The reaction takes place spontaneously.

Calcium carbonate is dissolved by hydrochloric acid thereby forming gaseous carbon dioxide. A strong effervescence can be observed. Click each image to see positive and negative results of the acid test. Pieces of marble are thrown into hydro chloric acid.

The combined reactants have a higher chemical potential than the combined products i e. Drop a small amount of dilute hydrochloric acid on an area of your sample that has been scratched by a nail. Pieces of marble are thrown into hydro chloric acid. Marble reaction with hydrochloric acid.

Calcium carbonate is dissolved by hydrochloric acid thereby forming gaseous carbon dioxide. This is the word equation for my investigation calcium hydrochloric calcium carbon water image carbonate acid chloride dioxide. The overall reaction is 2hcl caco3 cacl2 co2 h2o.

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