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Thermochemistry questions (practice) | Khan Academy
Practice: Thermochemistry questions. This is the currently selected item. Phase diagrams. Enthalpy. Heat of formation. Hess's law and reaction enthalpy change. Gibbs free energy and spontaneity. Gibbs free energy example. More rigorous Gibbs free energy / spontaneity relationship.[PDF]
Answers, Thermochemistry Practice Problems 2 1 6. When 26.7 g of H This problem is essentially identical to the calculations you did in lab with your data from reacting HCl with NaOH (Expt. 14, part C)!! As in the lab, to estimate an answer to this problem using the information given, one must assume that the density of the solutions is 1[PDF]
Thermochemistry/Practice-Thermochemical Equations and
Show all the work for the calculations and give the answers in the correct significant figures. 1) Indicate if the following reactions are endo or exothermic. CH[PDF]
THERMOCHEMISTRY CALCULATIONS WORKSHEET 1
THERMOCHEMISTRY CALCULATIONS WORKSHEET 1 ! 1. What is the heat change when 6 g of Sulfur reacts with excess O 2 according to the following equation? 2S + 3O 2 → 2SO 3 ∆H° = -791 Is this Endothermic or Exothermic 2. What is the heat change when 4 g of Carbon reacts with excess O 2 according to the following equation? C + O 2 → CO