Using the given data, calculate the enthalpy of reaction. 3H2(g) + O3(g) --> 3H2O(g)     ΔH°f (kJ/mol) C4H10(g)       126 CaC2(s)         63 Ca(OH)2(s)   987 C2H2(g)         227 CO2(g)          394 H2(g)            0 H2O(g).           -242 H2O(l)          286 NH3(g)         46 NO(g)          90 NO2(g)        34 N2O(g)        82 O2(g)           0 O3(g)           143   _______kJ

Using the given data below, calculate the enthalpy of reaction. CaC2(s) + 2H2O(l) --> Ca(OH)2(s) +C2H2(g)     ΔH°f (kJ/mol) C4H10(g)       126 CaC2(s)         63 Ca(OH)2(s)   987 C2H2(g)         227 CO2(g)          394 H2(g)            0 H2O(g).           242 H2O(l)          286 NH3(g)         46 NO(g)          90 NO2(g)        34 N2O(g)        82 O2(g)           0 O3(g)           143  ______ kJ

Important values if needed for this question. A scientist measures the standard enthalpy change for the following reaction to be -901.8 kJ : Fe203(s) + 2 AI(s): Al203(s) + 2 Fe(s) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of Al203(s) is kJ/mol.

A scientist measures the standard enthalpy change for the following reaction to be 208.5 kJ :CH4(g) + H2O(g)3H2(g) + CO(g)Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CH4(g) is  kJ/mol.

A scientist measures the standard enthalpy change for the following reaction to be - 778.8 kJ: 2NO(g) + 2H₂ (g) → N₂(g) + 2H₂O (1) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of H₂O(l) is kJ/mol. Substance AH (kJ/mol) NO(g) H₂(g) N₂ (9) Submit Answer 90.3 0.0 0.0 Retry Entire Group 9 more group attempts remaining

Sketch an enthalpy diagram for the combustion of cyclopropane, C3H6 (g).

Determine the change in enthalpy (kJ/mol) for the following reaction. Use significant figures  CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l)  H=?

What is the IUPAC name of the ether that has the structure shown? This molecule has the condensed formula C H 3 C H 2 C H 2 C H 2 O C H (C H 3) 2. IUPAC name:

A scientist measures the standard enthalpy change for the following reaction to be 209.4 kJ : CHĄ(g) + H20(g)3H2(g) + CO(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of CH4(g) is kJ/mol.

Given the two thermochemical equations below, find the enthalpy change for the reaction:         N2H4 (l)  +   H2 (g)    →    2 NH3 (g)          delta H =  ?        Given:             N2O4 (g)  +  3 H2 (g)    →     2 NH3 (g)  +  2 O2 (g)      delta H =   – 100.96 kJ             N2O4 (g)  +  2 H2 (g)    →     N2H4 (l)  +  2 O2 (g)        delta H =   + 41.47 kJ Select one: a. – 142.43 kJ b. – 59.49 kJ c. + 41.47 kJ d. + 59.49 kJ e. + 142.43 kJ f. none of these g. – 100.96 kJ