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A scientist measures the standard enthalpy change for the following reaction to be -377.0 kJ P4010(s)6...
A scientist measures the standard enthalpy change for this reaction to be - 172.0 kJ/mol: HCl(g) + NH3(g) →NH CH(s) Based on this value and the standard formation enthalpies for the other substances, the standard formation enthalpy of HC (g) is kJ/mol Submit Answer Retry Entire Group 2 more group attempts remaining
A scientist measures the standard enthalpy change for the following reaction to be -573.8 kJ: H.CO(g) + O2() CO() + H2O(1) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H2O() is mol Submit Answer Retry Entire Group 3 more group attempts remaining
A scientist measures the standard enthalpy change for the following reaction to be -79.7 kJ: 2HBr(g) + Cl2(9)—2HCl(g) + Br2(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of Br2(g) is kJ/mol. Submit Answer Retry Entire Group 9 more group attempts remaining
202.8 A scientist measures the standard enthalpy change for the following reaction Fe304) + 4 Hy()_3Fe(s) + 4 H 0(e) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of Fe,O_is kJ/mol. Submit Answer Retry Entire Group B more group attempts remaining
A scientist measures the standard enthalpy change for the following reaction to be -2847.0 kJ: 2C2H6(g) + 7 02(g) —4CO2(g) + 6H2O(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CzH6(g) is kJ/mol. A scientist measures the standard enthalpy change for the following reaction to be -15.0 kJ : Ca(OH)2(aq) + 2 HCl(aq) +CaCl(s) + 2 H20(1) Based on this value and the standard enthalpies of formation for...
1. A scientist measures the standard enthalpy change for the following reaction to be -2913.0 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 of formation of H2O(g) is kJ/mol. 2. A scientist measures the standard enthalpy change for the following reaction to be -138.6 kJ : H2(g) + C2H4(g)->C2H6(g) Based on this value and the standard enthalpies of formation for the other substances, the...
A scientist measures the standard enthalpy change for the following reaction to be -14.7 kJ: 3Fe2O3(s) H2(g)2Fe304(s) H2O(g) kJ/mol Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H20(g) is
A scientist measures the standard enthalpy change for the following reaction to be -56.2 kJ : Ca(OH)2(aq) + 2 HCl(aq)CaCl2(s) + 2 H2O(l) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CaCl2(s) is kJ/mol. Answer in kJ/mol
A scientist measures the standard enthalpy change for the following reaction to be -133.1 kJ: NH4NO3 (aq) ---> N2O (g) + 2 H2O (l) based on this value and the standard enthalpies if formation for the other substances, the standard enthalpy of formation of NH4NO3 (aq) is what? (kJ/mol)
A.A scientist measures the standard enthalpy change for the following reaction to be -2932.6 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 of formation of CO2(g) is kJ/mol. B.A scientist measures the standard enthalpy change for the following reaction to be -138.9 kJ : H2(g) + C2H4(g)C2H6(g) Based on this value and the standard enthalpies of formation for the other substances, the standard...