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28 Nov 2020
Aqueous ammonia reacts with sulfuric acid in the equation
H2SO4(aq) + 2NH3(aq) ---> (NH4)2SO4(aq) , ΔH = -52.2 kJ/mol
a) 100.0 mL of 1.00 M sulfuric acid is mixed in a calorimeter with 100.0 mL of 1.00 M ammonia. Determine which reagent is limiting and calculate (ΔH) in joules.
b) The initial temperature of both solutions and the calorimeter was 18.0 oC. Assuming the solutions have the same density and specific heat capacity as water (1.00 g/mL and 4.184 J/goC) and that the calorimeter has a heat capacity of 17.2 J/oC, find the final temperature of the system.
Aqueous ammonia reacts with sulfuric acid in the equation
H2SO4(aq) + 2NH3(aq) ---> (NH4)2SO4(aq) , ΔH = -52.2 kJ/mol
a) 100.0 mL of 1.00 M sulfuric acid is mixed in a calorimeter with 100.0 mL of 1.00 M ammonia. Determine which reagent is limiting and calculate (ΔH) in joules.
b) The initial temperature of both solutions and the calorimeter was 18.0 oC. Assuming the solutions have the same density and specific heat capacity as water (1.00 g/mL and 4.184 J/goC) and that the calorimeter has a heat capacity of 17.2 J/oC, find the final temperature of the system.
Coleen AmadoLv10
13 Jan 2021
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