1) Does the image shown follow the Law of conservation of Mass? a) Balanced b) Unbalanced 2) How much mass in grams of Oxygen on the reactant side? a) 3g b) 8g c) 11g 3) What substances are seen only on the reactant side? a) 1 compound b) 2 elements c) 1 element & 1 compound d) 2 compounds 4) The following chemical equation is unbalanced, why? a) It created 3 atoms of Phosphorus  b) It destroyed 5 atoms of Oxygen  c) It created 1 atom of Hydrogen  5) what does the product side represent? a) Old substance, what it started as b) New substance, that went through a chemical change c) Number of molecules 6) what does the reactant side represent? a) Old substance, what it started as b) New substance, that went through a chemical change c) Number of molecules 7) what does the Coefficient represent? a) Old substance, what it started as b) New substance, that went through a chemical change c) Number of molecules 8) Why is the chemical equation unbalanced? a) Has uneven amounts of Carbon atoms  b) It destoryed two atoms of Hydrogen c) It created 3 atoms of Oxygen 9) Does the image shown follow the Law of conservation of Mass? a) Balanced b) Unbalanced 10) Does the image shown follow the Law of conservation of Mass? a) Balanced b) Unbalanced 11) How many molecules in the substance Carbon dioxide? a) 1 b) 0 c) 6 12) How many different elements are involved in this chemical equation? a) 1 b) 3 c) 2 d) 4 13) What substances are seen only on the reactant side? a) 1 compound & 1 element b) 2 Compounds c) 2 elements 14) What substances are seen only on the product side? a) 1 compound & 1 element b) 2 Compounds c) 2 elements

Law of Conservation of Mass

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