Chemistry 30: Module 8: Lesson 4 1 Assignment Booklet
D5 MODULE 8: LESSON 4 ASSIGNMENT CHEM 30
(?/18 Marks)
Lab—Testing Bronsted-Lowry Reaction Predictions
Pre-Lab
1. The investigation you will complete involves combining the solutions listed in the
tables below. Use the method to predict a...
Pre-Lab
1. The investigation you will complete involves combining the solutions listed in the
tables below. Use the method to predict acid-base reactions to complete the following
tasks for each reaction provided:
Write a balanced chemical equation
Indicate the position of equilibrium for the resulting system
Predict the result from each reaction
Identify the result of one test you would perform to confirm the prediction
List your answers in the tables provided.
(2 marks) REACTION 1
Reactants Predictions
Balanced NH4Cl + NaOH NH3 + NaCl + H2O
chemical
equation
Position of Ammonia is a weak base, reaction will be in
equilibrium the forward direction
Aqueous Aqueous
ammonium sodium Predicted Ammonia odor
chloride hydroxide result
Tests to It will form a white smoke in the presence of
confirm hydrogen chloride gas, HCl(g). The white
smoke is ammonium chloride.
(2 marks) REACTION 2
Reactants Predictions
Balanced NaCH3COO(aq) + HCl(aq) NaCl(aq) +
chemical CH3COOH(aq)
equation
Position of Reaction favored right
Aqueous equilibrium
Hydrochloric
sodium
acid Predicted Vinegar odor
ethanoate
result
Tests to Na2CO3 CH3COOH(benzoic acid)
confirm produces a rapid effervescence of CO2
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