2023-2024 Honors Chem328 Balancing/Types Of Chemical Reactions, Stoichiometry And Naming Compounds

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Part I

Please give the correct chemical name or chemical formula for the following:
Remember: If you are given chemical name of Ionic cpd, you need to give the chemical symbol/formula and charge of the cation then anion then on a separate line give the chemical formula (chemical formula don't have charge symbols in them).

1) Copper (I) oxalate

2) Barium sulfate

3) Decaphosphorus hexasulfide

4) Cr₃(P₁O₃)₂

5) Cesium fluoride

6) H₃P₁O₄)₁

7) Trinitrogen pentaoxide

8) Sn₁(C₁O₃)₂

9) Carbon dioxide

10) Sulfurous acid

Part II

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:____________________

Part III

Answer the following Stoichiometry problems showing all work (Do Work On Back of This Page).

1) Using the balanced equation from question 1 above, how many grams of calcium bromide do I need to react to obtain 56.4grams of sodium bromide?

2) Using the balanced equation from question 3 above, how many molecules of dihydrogen monoxide do I produce if I react 65.2grams of elemental oxygen (remember it is a diatomic element).

Answers:

Part I
1) Cu¹⁺ , C₂O₄^2-,   Cu₂(C₂O₄)₁
2) Ba²⁺ , S₁O₄^2-,   Ba₁(S₁O₄)₁
3) P₁₀S₆
4) Chromium (II) phosphite
5) Cs¹⁺ , F^1-,   Cs₁F₁
6) Phosphoric acid
7) N₃O₅
8) Tin (IV) carbonate
9) C₁O₂
10) H₂S₁O₃

Part II

1) 3,2,1,6 (Double Replacement)
2) 1,3,1,2 (Decomposition)
3) 2,25,16,18 (Combustion)

Part III

1) 54.8g Ca₁Br₂
2) 8.83E23 molecules H₂O₁