Limestone

Learning Objectives:•What is Thermal Decomposition?•The reaction of quicklime with water• know the balanced equation for the

reaction of limewater and carbon dioxide

Thermal Decomposition Why is a Zombie

different to a normal person?

Do Chemicals decompose?

What should happen to the human body when

life is no longer present?

Click here for Task

Click on the girl for the

starter questions

How do you think the following will decompose?

CaO + CO2

CuO + CO2

Na2O + CO2

Calcium CarbonateCaCO3

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Copper CarbonateCuCO3

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Sodium CarbonateNa2CO3

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Balancing Acts!

Mg Mg O OOCC OOO

Circle of Life...

WHOA!! Didn’t see you watching, that’s embarrassing!

I was wondering about the Life of a star and I do not mean David Beckham!

I wonder if chemicals can go through a ‘Circle of Life’?

Limestone and the “Circle of Life...”

Calcium Oxide

Calcium Hydroxide

Carbon dioxide

Calcium Carbonate + Water

Filter then add Water

LimewaterCa(OH)2

Water

Ther

mal

Decom

positi

on

Carbon Dioxide

Click here for Instructions

Click on the heading at the

bottom then Click on the + and the arrows to reveal

the answers

Ext: Can you write a formula equation for the above reaction?

LimewaterCarbon dioxide

Click here to reveal answer

Calcium Carbonate + Water

Complete the word equation above