1- Identify the reducing agent in the following reaction Cd+NiO2 + 2H2O Cd (OH)

Question

1-    Identify the reducing agent in the following reaction

Cd+NiO2 + 2H2O                            Cd (OH) 2 + Ni (OH) 2

2-    When 0.7521g of benzoic acid was burned in a calorimeter containing 1,000 g of water, a temperature rise of 3.60 C was observed. What is the heat capacity of the bomb calorimeter, excluding the water? The heat of combustion of benzoic acid is -26.42KJ/g.

3-    The heat of solution of ammonium chloride is 15.2 KJ/mol. If a 6.134 sample of NH4Cl is added to 65.0 ml of water in a calorimeter at 24.5 C , what is the minimum temperature reached by the solution? (The specific heat of water of water = 4.18J/gC; the heat capacity of calorimeter = 365J/C)

4-    Given the thermochemical equation 2SO2 + O2                          2SO3, DH

Identify the reducing agent in the following reaction Cd+NiO2 + 2H2O Cd (OH) 2 + Ni (OH) 2 When 0.7521g of benzoic acid was burned in a calorimeter containing 1,000 g of water, a temperature rise of 3.60 C was observed. What is the heat capacity of the bomb calorimeter, excluding the water? The heat of combustion of benzoic acid is -26.42KJ/g. The heat of solution of ammonium chloride is 15.2 KJ/mol. If a 6.134 sample of NH4Cl is added to 65.0 ml of water in a calorimeter at 24.5 C , what is the minimum temperature reached by the solution? (The specific heat of water of water = 4.18J/gC; the heat capacity of calorimeter = 365J/C) Given the thermochemical equation 2SO2 + O2 2SO3, DH degree rxm= -198KJ/mole, what is the standard enthalpy change for the decomposition of one mole of SO3

Explanation / Answer

1. reducing agent is cd

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