Conservation of Mass
Grab Bag
Chemical Reactions
Balancing
Vocabulary
100
Matter cannot be created or destroyed
What is the Law of Conservation of Matter
100
Who was known as the Father of Modern Chemistry?
What is Antoine Lavoisier
100
What type of chemical reaction gives off heat?
What is exothermic
100
The substances that are found on left side of the arrow symbol in a chemical equation.
What is the reactants
100
A chemical reaction where one element displaces another
What is single displacement
200
What is a chemical equation that has the same number of atoms in the products and reactants
What is Balanced
200
The number of and type of atoms in the products and reactants must be equal
What is stated in the law of conservation of atoms?
200
What type of chemical reaction absorbs heat?
What is endothermic
200
The substances that are found on the right side of the arrow symbol in a chemical equation.
What is the products
200
A process in which the physical and chemical properties of the original substances change as new substances with different physical and chemical properties are formed
What is a chemical reaction
300
50 grams of magnesium reacts with oxygen. How many grams of magnesium will be present after the reaction occurs?
What is 50 grams
300
What elements did Antoine Lavoisier use in his experiment to prove conservation of mass?
What is Mercury and oxygen
300
A + B------AB represents what type of reaction?
What is Synthesis
300
In a chemical equation, the arrow sign represents the word______________.
What is yields or produces
300
The number placed in front of a chemical symbol or formula that represents the number of molecules present
What is coefficient
400
What do the products and reactants of a chemical reaction have in common?
What is they have the same amount of matter.
400
In the Conservation of Mass Lab, what phase change was observed?
What is ice melting into water
400
The products of this reaction are water and carbon dioxide.
What is combustion
400
In a chemical equation, the plus sign represents the word(s)__________.
, What is plus or added together
400
a number written below a chemical symbol that represents how many atoms are present.
What is a subscript
500
According to the Law of Conservation of Mass, if 5 atoms of carbon are used as a reactant, how many atoms of carbon must be a part of the product?
What is 5 atoms
500
In the Conservation of Mass Lab, what product was added to water to create a chemical reaction
What is Alka Seltzer
500
A chemical reaction where one reactant produces two or more products
What is decomposition
500
What does the symbol aq stand for?
What is aqueous (dissolved in water)
500
An expression in which symbols, formulas, and coefficients are used to represent a chemical reaction
What is a chemical equation
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