Calculate the standard enthalpy change for the reaction 2A + B^2C + 2D Use the following data: Substance AHf (kJ/mol) A -259 B -389 C 213 D -487 Express your answer to three significant figures and include the appropriate units. For the reaction given in Part A. how much heat is absorbed when 3.00 mol of A reacts? Express your answer to three significant figures and include the appropriate units.
Show transcribed image textCalculate the standard enthalpy change for the reaction 2A + B^2C + 2D Use the following data: Substance AHf (kJ/mol) A -259 B -389 C 213 D -487 Express your answer to three significant figures and include the appropriate units. For the reaction given in Part A. how much heat is absorbed when 3.00 mol of A reacts? Express your answer to three significant figures and include the appropriate units.
Part B. For the reaction given in Part A, how much heat is absorbed when 3.70 mol of A reacts? Express your answer to three significant figures and include the appropriate units.