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Stoichiometry

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Lydia D'souza

on 19 April 2012

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Transcript of Stoichiometry

The Applications of Stoichiometry Definition:
It is the math behind chemistry.


If you add too much baking soda it will be bitter.
If there are no eggs it will not rise. Stoichiometry in Baking a Cake: Stoichiometry in Medicine: It is especially important in the manufacturing of drugs.
Too little has no effect.
Too much can cause a drug overdose. For Example:
Morphine Overdose:
Confusion
Weak Pulse
Drowsiness
May stop breathing
Counter Drugs Tylenol is used as a pain killer and to decrease fever. Overdose:
Toxic to livers
Severe liver damage
Blood thinning
Organ damage In 2007, 365 deaths due to ingestion of toxic cough syrup.
Diethylene glycol was substituted for glycerin which is poisonous. Stoichiometry in Air Bags: The study of the quantitative relationships among the amounts of reactants used and the amounts of products formed in a chemical reaction. Careers involving Stoichiometry: Baking
Pharmaceutical industry
Hair Dressers
Mining companies
Engineering. Stoichiometry in Hair Dressing:
They need to have a right mixture of hair colours to get the right results.
If it is not done right it can lead to hair damage. Stoichiometry in Enginerring They design engines so that certain fuels mix at proper ratios.
Chemical engineers use it to determine the proper amounts of reactants to produce a certain product. The exact amount of nitrogen gas must be produced in an instant. Water for a Camel Camels have the special ability to turn their fat stored in their hump into water. Depending on how much fat they have stored, they produce that amount of water.
This reaction demonstrates how it is broken down. How do you use Stoichiometry to produce water? Water in space THE END
THANK YOU FOR LISTENING Example: Sodium Carbonate (Na2CO3) is used to neutralize the sulphuric acid (H2SO4) in spills.
They can determine the amount of sodium carbonate is needed for the spill. Moles H2SO4= 4030000g/98g/mol
= 4.11X10^4 : this is also equal to the amount of moles of Na2CO3
Mass Na2CO3= 4.11X10^4X 106g/mol
=4.36X10^6g
=4.36X10^3Kg
Full transcript