Chapter 10 Vocab
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The starting substances that undergo change in a chemical reaction
The substances produced as a result of a chemical reaction
- Elements that appear as Diatomic molecules in nature must be present as the
- diatomic, not single atoms in a chemical equation: H2, O2, N2, F2, Cl2, Br2, I2
Law of Conservation of Mass
Mass is neither created nor destroyed in an ordinary chemical reaction
A representation for a chemical reaction that uses chemical symbols and chemical formulas instead of words to describe the changes that occur in a chemical reaction.
Balanced Chemical Equation
A chemical reaction that has the same number of atoms of each element involved in the reaction on each side of the equation
A number placed to the left of a chemical formula in a chemical equation that changes the amount but not the identity of a substance.
A chemical reaction in which a single product is formed from two or more reactants
X + Y → XY
A chemical reaction in which a single reactant is converted into two or more substances
XY → X + Y
Single replacement Reaction
A chemical reaction in which one element within a compound is replaced by another element
X + YZ → Y + XZ
Double Replacement Reaction
A Chemical Reaction in which two compounds exchange parts with each other and form two new compounds
AX + BY → AY + BX
A chemical reaction in which a substance reacts with Oxygen (usually from air) that proceeds with evolution of heat and usually also a flame.
The study of quantitative relationships among reactants and products in a chemical reaction
The reactant in a chemical reaction that is entirely consumed during them chemical reaction
The maximum amount of a product that can be obtained from given amounts of reactants in a chemical reaction if no losses or inefficiencies of any kind occur
the amount of a product actually obtained from a chemical reaction
the ration of the actual yield in a product to its theoretical yield, multiplied by 100 (to give percent)
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