Reaction Between Marble Chips And Hydrochloric Acid Equation
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An investigation into how changing one variable influences the rate of reaction between marble chips and dilute hydrochloric acid planning section when dilute hydrochloric acid reacts with marble chips the following reactions occurs.
Reaction between marble chips and hydrochloric acid equation. Being alkaline it reacts with hydrochloric acid to produce calcium chloride water and carbon dioxide. δs 20c 358 3j k change in enthalpy. The symbol equation for my investigation is image caco3 2hcl cacl2 co2 h2o. δg 20c 25 2kj negative so the reaction runs change in entropy.
Place 40cm 3 of hydrochloric acid in an conical flask. 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. I am investigating how the rate of reaction between marble chips and hydrochloric acid is altered when the concentration is changed. This is the word equation for my investigation calcium hydrochloric calcium carbon water image carbonate acid chloride dioxide.
δh 20c 79 9kj positive so the reactio. 2hcl aq caco 3 s cacl 2 aq co 2 g h 2 o l. Marble is mostly made up of calcium carbonate which is caco3. The old thermodynamist says.
Caco3 2hcl cacl2 h2o co2. In words calcium carbonate reacts with hydrochloric acid to form calcium chloride water and carbon dioxide. Hydrochloric acid is hcl. Conical flask glass jam jars measuring cylinder stop clock watch with seconds stop watch app direct reading balance dilute hydrochloric acid cotton wool marble chips method.
Caco3 2hcl cacl2 h2co3. Hcl calcium carbonate calcium chloride carbon dioxide water. To investigate the effect of concentration on the reaction between marble chips and hydrochloric acid materials. Acids carbonates salts carbon dioxide water marble is caco3 2hcl caco3 cacl2 co2 h2o.
Caco3 2hcl aq cacl2 co2 g h2 l change in free energy. I will use marble chips and different concentrations of hydrochloric acid and water to see how it affects the rate of reaction. Marble chips are mostly made up of calcium carbonate which is a alkaline compound. Caco3 2hcl h2o co2 this is the reaction we will be investigating.
H2co3 decomposes easily into h2o and co2 so the equation is. I will use concentrations of 50cm3 using different volumes of water and acid.
