Calculate DeltaH rxn for the following using the Hof values listed in Appendix L. Is the reaction exothe....?
Calculate DeltaH rxn for the following using the Delta Hf values listed in Appendix L. Is the reaction exothermic or endothermic?
CH4(g) + 4 Cl2(g) ---> CCl4(l) + 4 HCl (g)
Na2CO3(s) + 2 HCl(aq) ---> H2O(l) + CO2(g) + 2NaCl(aq)
Update:Calculate the enthalpy per gram for the combustion of hydrogen.
2 H2(g) O2(g) - 2 H2O(l) Horxn = -571.6 kJ
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Verified answer
ΔrH=∑H(products)−∑H(reactants)
I don't have your table but here is how I would set it up
[(heat of formation for CCl4) + (4 x -92.3)] - [(4 x 0) + (-74.4)] solve
If the answer is a positive the reaction is endothermic.