δg 20c 25 2kj negative so the reaction runs change in entropy.
Marble chips and hydrochloric acid reaction.
2hcl aq caco 3 s cacl 2 aq co 2 g h 2 o l.
Task my task is to measure the rate of reaction between marble chips caco 3 and hydrochloric acid 2 hcl.
Caco3 2hcl aq cacl2 co2 g h2 l change in free energy.
In the investigation i am going to find out how the surface area affects the rate of reaction by measuring the amount of gas produced and weight loss in a reaction between small large pieces of marble chips calcium carbonate and hydrochloric acid per minute.
I am investigating how the rate of reaction between marble chips and hydrochloric acid is altered when the concentration is.
Caco3 2hcl h2o co2 this is the reaction we will be investigating.
Being alkaline it reacts with hydrochloric acid to produce calcium chloride water and carbon dioxide.
How can the rate of the reaction between calcium carbonate and dilute hydrochloric acid be measured.
Diagram plan the equipment i will be using for this experiment will be as follows.
Conical flask delivery tube bung measuring cylinder x 2 water trough water stopwatch marble.
The symbol equation for my investigation is image caco3 2hcl cacl2 co2 h2o.
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 will use concentrations of 50cm3 using different volumes of water and acid.
δh 20c 79 9kj positive so the reactio.
The old thermodynamist says.
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.
To investigate how the concentration of hydrochloric acid affect the speed of reaction with marble chips.
I will use marble chips and different concentrations of hydrochloric acid and water to see how it affects the rate of reaction.
The rate of this reaction can be measured by looking at the rate at which the product carbon dioxide gas is formed.
I am investigating how the rate of reaction between marble chips and hydrochloric acid is altered when the concentration is changed.
A chemistry investigation to look at the rates of reaction between marble chips and hydrochloric acid.
δs 20c 358 3j k change in enthalpy.
Marble chips experiment pilot aim.
This is the word equation for my investigation calcium hydrochloric calcium carbon water image carbonate acid chloride dioxide.
Marble chips are mostly made up of calcium carbonate which is a alkaline compound.
Investigating the rate of reaction between marble chips calcium carbonate and hydrochloric acid aim.
