2020-2021 Review HW For Balancing, Types, Predicting And Energy Change Of Chemical Reactions

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Part I: Balance the chemical reaction and give the correct type of reaction for the following:

1) ___ Ca₁Br₂ + ____ Na₃P₁ ==> ____ Ca₃P₂ + ____ Na₁Br₁  Type of Rxn:____________________

2) ___ Li₃P₁O₄ ==> ____ Li + ____P + ____ O₂  Type of Rxn:____________________

3) ___ C₈H₁₈ + ____ O₂ ==> ____ C₁O₂ + ____ H₂O₁  Type of Rxn:____________________

4) ____ Al  + ___O₂ ==> ____ Al₂O₃  Type of Rxn:____________________

5) ____ Au₂S₃  + ____H₂ ==> ____Au  + ____H₂S₁  Type of Rxn:____________________

Part II
For the following reactants, please provide the following
a. For single replacement reaction

If the reaction does not occur, please give a one sentence explanation of why it does not.
If the reaction does occur, please give a balanced complete chemical reaction including phases of reactants and products. Then show all work to determine the net ionic reaction.

b. For double replacement reactions (only for solid formation)

If the reaction does not occur, determine the potential products and phases and show all work to get the net ionic reaction to show that the reaction does not occur (i.e. everything crosses out because all species are spectator ions).
If the reaction does occur, please give a balanced complete chemical reaction including phases of reactants and products. Then show all work to determine the net ionic reaction.

1. Na₂(SO₄)_{1 (aq)} + K₁(NO₃)_{1 (aq)} -->

2. K₂(CO₃) _{1 (aq)} + Ba₁Cl_{2 (aq)} --->

3.Ba_(s) + Al₂(SO₄)_{3 (aq)} -->