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got stuck here урд 5 For Practice 7.8 Recall from Example 7.8 that mining companies extract iron from iron ore according to the following balanced equation: Fe2O3(s) + 3 CO(g) — >2 Fe(s) + 3 CO2(g) 15979 21.. In a reaction mixture containing 167 g Fe2O3 and 85.8 g CO, CO is the limiting reactant. Calculate the mass of the reactant in excess (which is Fe2O3) that remains after the reaction has gone to completion. Imol Fe2O3 1679 X issing...
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand the principles behind: you can find Ar from textbook or website I. A 145 g sample of copper metal at 100.0°C is placed into 250.0 g of water at 25.0°C in a calorimeter. When the system reaches thermal equilibrium, the temperature of the water in the calorimeter is 28.8°C. Assume the calorimeter is perfectly insulated. What is the specific heat capacity of...