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5Chemical Equation

Review chapter 5

QuestionAnswer
How is a chemical equation written? With reactants on the left and products on the right separated by a horizontal arrow.
What do Coefficients show? Coefficients show the number of molecules of a given element or compound that react are formed.
Name the physical state symbols for gas, liquid, solid, and aquesus solution. gas (g), liquid (L), solid (s), aquesus solution (aq)
Law of Conservation of Mass means total mass of products must equal the total mass of the reactants.
LEO the lion says GER. Lose electron oxidation gain electron reduction
oxidation? refers to loss of an electron.
reduction? refers to gain of an electron.
Mole? a quantity that contains 6.02x10^23 items--- usually atoms, molecules, or ions.
Avogadro's number? 6.02x10^23
1 mole = 6.02x10^23
The weight of one mole of atoms of any monoatomic element is equal to the element's atomic weight in grams (g).
Avogadro's Law of Gas "equal volumes of different gases contain equal numbers of gas particles."
STP standard temperature and pressure
STP temperature 0 degree and 760mm Hg
Under STP what doe one mole of any gas occupy? one mole occupies 22.4 L
Redox reaction is the electron transport
Created by: 1441993216
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