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If there are 5 g of carbon on the reactants side, how many g of carbon should you have in the products?
mass can never be created or destroyed during a chemical reaction
5g
Products
2
shape change
5 atoms
25g
HgO
How many atoms of O are in the reactants: H2+ O2 → H2O (numbers are subscripts)
mass can never be created or destroyed during a chemical reaction
5g
Products
2
shape change
5 atoms
25g
HgO
The Law of Conservation of Mass states...
mass can never be created or destroyed during a chemical reaction
5g
Products
2
shape change
5 atoms
25g
HgO
How many grams of product are needed to complete the reaction: 10 g + 15 g → ____g
mass can never be created or destroyed during a chemical reaction
5g
Products
2
shape change
5 atoms
25g
HgO
Which is not evidence that a chemical reaction has occurred?
mass can never be created or destroyed during a chemical reaction
5g
Products
2
shape change
5 atoms
25g
HgO
What is the name given to the elements or compounds on the right side of the equation?
mass can never be created or destroyed during a chemical reaction
5g
Products
2
shape change
5 atoms
25g
HgO
Identify the reactants in the equation: HgO → Hg + O2
mass can never be created or destroyed during a chemical reaction
5g
Products
2
shape change
5 atoms
25g
HgO
If a chemical reaction begins with 5 atoms of Chlorine in the reactants, how many chlorine atoms will be present in the products?
mass can never be created or destroyed during a chemical reaction
5g
Products
2
shape change
5 atoms
25g
HgO
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