δg 20c 25 2kj negative so the reaction runs change in entropy.
Reaction between marble chips and hydrochloric acid equation.
δh 20c 79 9kj positive so the reactio.
Being alkaline it reacts with hydrochloric acid to produce calcium chloride water and carbon dioxide.
Hcl calcium carbonate calcium chloride carbon dioxide water.
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.
The old thermodynamist says.
Caco3 2hcl cacl2 h2co3.
Caco3 2hcl cacl2 h2o co2.
How can the rate of the reaction between calcium carbonate and dilute hydrochloric acid be measured.
2hcl aq caco 3 s cacl 2 aq co 2 g h 2 o l.
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.
The rate of this reaction can be measured by looking at the rate at which the product carbon dioxide gas is formed.
I will use concentrations of 50cm3 using different volumes of water and acid.
Acids carbonates salts carbon dioxide water marble is caco3 2hcl caco3 cacl2 co2 h2o.
I am investigating how the rate of reaction between marble chips and hydrochloric acid is altered when the concentration is.
To investigate the effect of concentration on the reaction between marble chips and hydrochloric acid materials.
Marble is mostly made up of calcium carbonate which is caco3.
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.
δs 20c 358 3j k change in enthalpy.
This is the word equation for my investigation calcium hydrochloric calcium carbon water image carbonate acid chloride dioxide.
I am investigating how the rate of reaction between marble chips and hydrochloric acid is altered when the concentration is changed.
Hydrochloric acid is hcl.
Place 40cm 3 of hydrochloric acid in an conical flask.
Marble chips are mostly made up of calcium carbonate which is a alkaline compound.
In words calcium carbonate reacts with hydrochloric acid to form calcium chloride water and carbon dioxide.
Caco3 2hcl h2o co2 this is the reaction we will be investigating.
The symbol equation for my investigation is image caco3 2hcl cacl2 co2 h2o.
