- A Scientist Measures The Standard Enthalpy Change For The Following Reaction To Be 17 8 Kj Ca Oh 2 Aq 2hcl Aq C 1 (70.59 KiB) Viewed 29 times
A scientist measures the standard enthalpy change for the following reaction to be -17.8 kJ: Ca(OH)2 (aq) + 2HCl(aq) → C
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A scientist measures the standard enthalpy change for the following reaction to be -17.8 kJ: Ca(OH)2 (aq) + 2HCl(aq) → C
A scientist measures the standard enthalpy change for the following reaction to be -17.8 kJ: Ca(OH)2 (aq) + 2HCl(aq) → CaCl₂ (s) + 2H₂O(1) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of HCl(aq) is ΔΗ" (kJ/mol) Species CaCl₂ (s) H₂O(1) Ca(OH)2 (aq) -795.8 -285.8 -1002.8 A scientist measures the standard enthalpy change for the following reaction to be - 2920.2 kJ: 2C2H6 (g) + 702(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 CO₂ (g) is Submit Answer Substance AH (kJ/mol) C₂H6 (9) 1.7 02 (9) H₂O(g) 0.0 -241.8 Retry Entire Group 7 more group attempts remaining kJ/mol. kJ/mol.