4 moi par Use tabulated data to find the standard enthalpy change for each reaction. 94....
A scientist measures the standard enthalpy change for the following reaction to be 236.4 kJ : CaCO3(s) ------> CaO(s) + CO2(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CaCO3(s) is _______ kJ/mol.
Using standard heats of formation, calculate the standard enthalpy change for the following reaction. CaCO3(s)—*CaO(s) + CO2(9) ANSWER: Submit Answer
A.Using standard heats of formation, calculate the standard enthalpy change for the following reaction. N2(g) + 3H2(g) = 2NH3(g) B.Using standard heats of formation, calculate the standard enthalpy change for the following reaction. CaCO3(s) = CaO(s) + CO2(g) C. A scientist measures the standard enthalpy change for the following reaction to be -2910.6 kJ: 2C2H6(g) + 7 O2(g) = 4CO2(g) + 6 H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy...
A scientist measures the standard enthalpy change for the following reaction to be 162.4 kJ: CaCO3(8) CaO(8) + CO2(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CO2(e) is kl/mol.
Calculate the standard enthalpy change, ΔH°rxn, in kJ for the following chemical equation, using only the thermochemical equations below: CaCO3(s) → CaO(s) + CO2(g) Report your answer to three significant figures in scientific notation. Equations: ΔH°rxn (kJ) Ca(s) + CO2(g) + 1/2O2(g) → CaCO3(s) -812.5 2Ca(s) + O2(g) → 2CaO(s) -1270.3
Pre-lab Study Questions 1. Calculate the enthalpy of reaction DHrxno for each of the following reactions using the tabulated standard enthalpy of formation DHfo. (Show calculation) a. H2O(g) ® H2O(l) b. CaCO3(s) ® CaO(s) + CO2(g) c. CH4(g) + 2 O2(g) ® CO2(g) + 2 H2O(g) 2. Consider the following reaction and the given standard enthalpy of formation DHfo. NH4NO3(s) ® NH4+(aq) + NO3-(aq) DHfo (kJ/mol) -365.6 -132.0 -205.0 a. Calculate the enthalpy of reaction DHrxno for the above reaction...
Calculate the standard enthalpy of formation of solid calcium oxide (CaO) using the following thermochemical information: CaO(s) + CO2(g) CaCO3(s) H = -178.3 kJ C(s) + O2(g) CO2(g) H = -393.5 kJ 2 C(s) + 2 Ca(s) + 3 O2(g) 2 CaCO3(s) H = -2413.8 kJ H = kJ
A scientist measures the standard enthalpy change for the following reaction to be 153.2 kJ: CaCO,(0)Ca0(6) + CO2(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CaO(s) is kJ/mol
Calculate the standard enthalpy of formation of gaseous carbon dioxide (CO2) using the following thermochemical information: 2 Ca(s) + O2(g) = 2 Cao(s) CaO(s) + CO2(g) = CaCO3(s) 2 C(s) + 2 Ca(s) + 3 O2(g) = 2 CaCO3(s) AH = -1270.2 kJ AH = -178.3 kJ AH = -2413.8 kJ AH = kJ
Consider the reaction CaCO3(s)Cao(s) + CO2(g The standard free energy change for this reaction is 130.4 kJ. The free energy change when 2.34 moles of CaCO (s) react at standard condition is kJ. What is the maximum amount of useful work that the reaction of 2.34 moles of CaCo,(s) is capable of producing in the surroundings under standard conditions? If no work can be done, enter none kJ
Consider the reaction CaCO3(s)Cao(s) + CO2(g The standard free energy change for...