Leader: Matt H Worksheet 15, ch 5 Course: Chem 177 Supplemental Instruction Instructor: Dr Holme & Dr Awino Iowa State University Date: 10-15-17 1. Heat of formation, __________ (symbol), measures the total energy needed to form ____________ (amount) of a compound from its component elements in their _________ (state) at _________ °C. 2. Write equations for the Standard Enthalpy of Formation for each compound a. N2O (g) b. Mg(NO3)2 (s) c. C18H27NO3 (l) 3. What is the equation for enthalpy (∆H ) of a reaction? 4. Using the table of enthalpies of formation, find the for the following reaction ∆H KOH (aq) + HBr (aq) KBr (aq) + H2O (l) 5. What is the heat of combustion, for one mole of Propane ( C3H8 ) ΔHcomb, How much heat is released from burning 15.0 g of Propane?
Worksheet 15, ch 5 Supplemental Instruction Iowa State University Leader: Matt H Course: Chem 177 Instructor: Dr Holme & Dr Awino Date: 10-15-17 1. Heat of formation, __________ (symbol), measures the total energy needed to form ____________ (amount) of a compound from its component elements in their _________ (state) at _________ °C. 2. Write equations for the Standard Enthalpy of Formation for each compound a. N2O (g) b. Mg(NO3)2 (s) c. C18H27NO3 (l) 3. What is the equation for enthalpy (∆H ) of a reaction? 4. Using the table of enthalpies of formation, find the ∆H for the following reaction KOH (aq) + HBr (aq) KBr (aq) + H2O (l) 5. What is the heat of combustion, ΔHcomb, for one mole of Propane ( C3H8 ) How much heat is released from burning 15.0 g of Propane?
CHEM_177_Holme_mjh216_Worksheet_15__ch_5__10-15-17__Fuel_Value__Heat_of_Formation.docx