Rules and Laws
The law of conservation states that matter can not be ______ or destroyed, only recycled into a new product.
Water molecules are formed in a bond that resemble this cartoon character.
Who is Mickey Mouse
A ______ uses chemical symbols and numbers to represent a given substance.
What is a chemical formula
The _____ are the starting substances that are written on the left side of an equation.
What is a reactant
What should be the mass of the products from the reaction below?
A + B = AB
10g 20g = ?
What is 30g
When balancing a chemical equation, which number can you manipulate?
What is a coefficent
The arrow between reactants and products and an equation is also know as a ______ sign.
What is a yield sign.
A _______ is an expression that uses symbols to show the relationship between reactants and products.
The ____ are ending substances normally written on the right side of an equation.
What are products
What is the total mass of the reactants in the equation below?
HCl + NaOH --> NaCl + H2O
36g 40g 58g 18g
What is 76
In a chemical equation the ______ represents the number of atoms in a molecule.
What is the subscript.
This French chemist is responsible for establishing the law of conservation of matter.
Who is Antoine Lavoisier
The coefficient represents the number of _______of a particular substance.
In a balanced equation, the _____ of reactants and products must equal. (Normally written in grams)
What is mass
Balance the chemical equation below by adding the appropriate coefficient.
Na + Cl2 --> 2NaCl2
What is 2